diff --git a/doc/pub/week34/html/._week34-bs007.html b/doc/pub/week34/html/._week34-bs007.html
index e9a5de19e..b4ce94aa0 100644
--- a/doc/pub/week34/html/._week34-bs007.html
+++ b/doc/pub/week34/html/._week34-bs007.html
@@ -357,7 +357,7 @@ MathJax.Hub.Config({
 <div class="panel panel-default">
 <div class="panel-body">
 <!-- subsequent paragraphs come in larger fonts, so start with a paragraph -->
-<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%.</p>
+<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading.</p>
 </div>
 </div>
 
diff --git a/doc/pub/week34/html/._week34-bs008.html b/doc/pub/week34/html/._week34-bs008.html
index d98820aef..5d546b8c6 100644
--- a/doc/pub/week34/html/._week34-bs008.html
+++ b/doc/pub/week34/html/._week34-bs008.html
@@ -361,7 +361,7 @@ MathJax.Hub.Config({
  <li> 40-45 points: E</li>
  <li> 0-39 points: F-failed</li>
 </ul>
-<p>In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%. </p>
+<p>In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A. </p>
 
 <p>
 <!-- navigation buttons at the bottom of the page -->
diff --git a/doc/pub/week34/html/week34-reveal.html b/doc/pub/week34/html/week34-reveal.html
index 8f79f9e8e..154522f02 100644
--- a/doc/pub/week34/html/week34-reveal.html
+++ b/doc/pub/week34/html/week34-reveal.html
@@ -327,7 +327,7 @@ MathJax.Hub.Config({
 <div class="alert alert-block alert-block alert-text-normal">
 <b></b>
 <p>
-<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%.</p>
+<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading.</p>
 </div>
 </section>
 
@@ -347,7 +347,7 @@ MathJax.Hub.Config({
  <p><li> 0-39 points: F-failed</li>
 </ul>
 <p>
-<p>In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%. </p>
+<p>In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A. </p>
 </section>
 
 <section>
diff --git a/doc/pub/week34/html/week34-solarized.html b/doc/pub/week34/html/week34-solarized.html
index 6b8c411cf..eb433ab09 100644
--- a/doc/pub/week34/html/week34-solarized.html
+++ b/doc/pub/week34/html/week34-solarized.html
@@ -396,7 +396,7 @@ MathJax.Hub.Config({
 <div class="alert alert-block alert-block alert-text-normal">
 <b></b>
 <p>
-<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%.</p>
+<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading.</p>
 </div>
 
 
@@ -415,7 +415,7 @@ MathJax.Hub.Config({
  <li> 40-45 points: E</li>
  <li> 0-39 points: F-failed</li>
 </ul>
-<p>In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%. </p>
+<p>In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A. </p>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
 <h2 id="reading-material">Reading material </h2>
diff --git a/doc/pub/week34/html/week34.html b/doc/pub/week34/html/week34.html
index 55d132967..8b9b9f21a 100644
--- a/doc/pub/week34/html/week34.html
+++ b/doc/pub/week34/html/week34.html
@@ -473,7 +473,7 @@ MathJax.Hub.Config({
 <div class="alert alert-block alert-block alert-text-normal">
 <b></b>
 <p>
-<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%.</p>
+<p>Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to <b>Canvas</b> in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading.</p>
 </div>
 
 
@@ -492,7 +492,7 @@ MathJax.Hub.Config({
  <li> 40-45 points: E</li>
  <li> 0-39 points: F-failed</li>
 </ul>
-<p>In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%. </p>
+<p>In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A. </p>
 
 <!-- !split --><br><br><br><br><br><br><br><br><br><br>
 <h2 id="reading-material">Reading material </h2>
diff --git a/doc/pub/week34/ipynb/ipynb-week34-src.tar.gz b/doc/pub/week34/ipynb/ipynb-week34-src.tar.gz
index 278714b9a..e869ae6fd 100644
Binary files a/doc/pub/week34/ipynb/ipynb-week34-src.tar.gz and b/doc/pub/week34/ipynb/ipynb-week34-src.tar.gz differ
diff --git a/doc/pub/week34/ipynb/week34.ipynb b/doc/pub/week34/ipynb/week34.ipynb
index 8323ed2f5..5c7c1e7aa 100644
--- a/doc/pub/week34/ipynb/week34.ipynb
+++ b/doc/pub/week34/ipynb/week34.ipynb
@@ -2,7 +2,7 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "d1a67a95",
+   "id": "73e0b190",
    "metadata": {
     "editable": true
    },
@@ -14,7 +14,7 @@
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   {
    "cell_type": "markdown",
-   "id": "8bab7c7c",
+   "id": "27166338",
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@@ -27,7 +27,7 @@
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   {
    "cell_type": "markdown",
-   "id": "11f9dddd",
+   "id": "8c54dde7",
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@@ -53,7 +53,7 @@
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   {
    "cell_type": "markdown",
-   "id": "cf4f78c4",
+   "id": "02f7aa45",
    "metadata": {
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@@ -69,7 +69,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c604d1f4",
+   "id": "682f5f3f",
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     "editable": true
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@@ -93,7 +93,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f2636e32",
+   "id": "567085d3",
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     "editable": true
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@@ -107,7 +107,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2830d8c8",
+   "id": "6ffdfb8d",
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     "editable": true
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@@ -129,7 +129,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e60f3b4c",
+   "id": "f9a70b50",
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@@ -159,7 +159,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "026a9c30",
+   "id": "a3c2a01c",
    "metadata": {
     "editable": true
    },
@@ -172,12 +172,12 @@
     "\n",
     "3. Project 3: December 9  (available November 5, graded with feedback)\n",
     "\n",
-    "Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to **Canvas** in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%."
+    "Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to **Canvas** in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading."
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "c9b44e2c",
+   "id": "dc7d59f1",
    "metadata": {
     "editable": true
    },
@@ -200,12 +200,12 @@
     "\n",
     " * 0-39 points: F-failed\n",
     "\n",
-    "In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%."
+    "In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A."
    ]
   },
   {
    "cell_type": "markdown",
-   "id": "f055bfa3",
+   "id": "28346e96",
    "metadata": {
     "editable": true
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@@ -223,7 +223,7 @@
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   {
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-   "id": "d4570711",
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@@ -240,7 +240,7 @@
   },
   {
    "cell_type": "markdown",
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+   "id": "c35aca9c",
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@@ -264,7 +264,7 @@
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-   "id": "53bd6717",
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@@ -276,7 +276,7 @@
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@@ -296,7 +296,7 @@
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-   "id": "af50e661",
+   "id": "8c885a78",
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@@ -314,7 +314,7 @@
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   {
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-   "id": "f4913bf5",
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    "metadata": {
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@@ -339,7 +339,7 @@
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   {
    "cell_type": "markdown",
-   "id": "53bb230c",
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@@ -361,7 +361,7 @@
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    "cell_type": "markdown",
-   "id": "ae8411cf",
+   "id": "15576559",
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@@ -385,7 +385,7 @@
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@@ -401,7 +401,7 @@
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-   "id": "466cf1ce",
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@@ -423,7 +423,7 @@
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   {
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@@ -441,7 +441,7 @@
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   {
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-   "id": "7a29701d",
+   "id": "63ad1652",
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@@ -471,7 +471,7 @@
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   {
    "cell_type": "markdown",
-   "id": "6c99f65a",
+   "id": "94af0fbd",
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@@ -500,7 +500,7 @@
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@@ -518,7 +518,7 @@
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@@ -530,7 +530,7 @@
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   {
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-   "id": "c187373e",
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@@ -565,7 +565,7 @@
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   {
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@@ -595,7 +595,7 @@
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@@ -626,7 +626,7 @@
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-   "id": "887400b7",
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@@ -665,7 +665,7 @@
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@@ -698,7 +698,7 @@
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@@ -735,7 +735,7 @@
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@@ -759,7 +759,7 @@
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@@ -786,7 +786,7 @@
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@@ -796,7 +796,7 @@
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@@ -808,7 +808,7 @@
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@@ -829,7 +829,7 @@
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@@ -841,7 +841,7 @@
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-   "id": "aa70673f",
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@@ -853,7 +853,7 @@
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@@ -864,7 +864,7 @@
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@@ -878,7 +878,7 @@
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@@ -890,7 +890,7 @@
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-   "id": "b4beb609",
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@@ -904,7 +904,7 @@
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@@ -916,7 +916,7 @@
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@@ -930,7 +930,7 @@
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@@ -947,7 +947,7 @@
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@@ -964,7 +964,7 @@
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@@ -990,7 +990,7 @@
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@@ -1001,7 +1001,7 @@
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@@ -1015,7 +1015,7 @@
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@@ -1080,7 +1080,7 @@
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@@ -1175,7 +1175,7 @@
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@@ -1202,7 +1202,7 @@
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@@ -1214,7 +1214,7 @@
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@@ -1229,7 +1229,7 @@
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@@ -1239,7 +1239,7 @@
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@@ -1251,7 +1251,7 @@
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@@ -1262,7 +1262,7 @@
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@@ -1277,7 +1277,7 @@
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@@ -1292,7 +1292,7 @@
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@@ -1319,7 +1319,7 @@
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@@ -1343,7 +1343,7 @@
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@@ -1369,7 +1369,7 @@
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@@ -1389,7 +1389,7 @@
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@@ -1403,7 +1403,7 @@
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@@ -1416,7 +1416,7 @@
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@@ -1427,7 +1427,7 @@
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@@ -1439,7 +1439,7 @@
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@@ -1450,7 +1450,7 @@
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@@ -1468,7 +1468,7 @@
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@@ -1480,7 +1480,7 @@
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@@ -1504,7 +1504,7 @@
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@@ -1515,7 +1515,7 @@
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@@ -1544,7 +1544,7 @@
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@@ -1555,7 +1555,7 @@
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@@ -1570,7 +1570,7 @@
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@@ -1587,7 +1587,7 @@
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@@ -1599,7 +1599,7 @@
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@@ -1630,7 +1630,7 @@
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@@ -1642,7 +1642,7 @@
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@@ -1670,7 +1670,7 @@
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@@ -1700,7 +1700,7 @@
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@@ -1717,7 +1717,7 @@
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@@ -1729,7 +1729,7 @@
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@@ -1750,7 +1750,7 @@
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@@ -1763,7 +1763,7 @@
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@@ -1794,7 +1794,7 @@
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@@ -1806,7 +1806,7 @@
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@@ -1824,7 +1824,7 @@
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@@ -1851,7 +1851,7 @@
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@@ -1873,7 +1873,7 @@
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@@ -1911,7 +1911,7 @@
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@@ -1922,7 +1922,7 @@
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@@ -1935,7 +1935,7 @@
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@@ -1956,7 +1956,7 @@
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@@ -1968,7 +1968,7 @@
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@@ -1978,7 +1978,7 @@
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@@ -1990,7 +1990,7 @@
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@@ -2002,7 +2002,7 @@
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@@ -2014,7 +2014,7 @@
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@@ -2025,7 +2025,7 @@
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@@ -2037,7 +2037,7 @@
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@@ -2059,7 +2059,7 @@
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@@ -2071,7 +2071,7 @@
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@@ -2084,7 +2084,7 @@
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@@ -2101,7 +2101,7 @@
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@@ -2113,7 +2113,7 @@
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@@ -2123,7 +2123,7 @@
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@@ -2135,7 +2135,7 @@
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@@ -2145,7 +2145,7 @@
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@@ -2157,7 +2157,7 @@
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@@ -2167,7 +2167,7 @@
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@@ -2179,7 +2179,7 @@
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@@ -2195,7 +2195,7 @@
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@@ -2207,7 +2207,7 @@
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@@ -2218,7 +2218,7 @@
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@@ -2230,7 +2230,7 @@
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@@ -2244,7 +2244,7 @@
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@@ -2256,7 +2256,7 @@
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@@ -2281,7 +2281,7 @@
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@@ -2298,7 +2298,7 @@
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-   "id": "fb120a66",
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@@ -2342,7 +2342,7 @@
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@@ -2353,7 +2353,7 @@
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-   "id": "b75db972",
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@@ -2375,7 +2375,7 @@
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@@ -2392,7 +2392,7 @@
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-   "id": "c7a1bd51",
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@@ -2413,7 +2413,7 @@
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@@ -2427,7 +2427,7 @@
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@@ -2456,7 +2456,7 @@
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@@ -2476,7 +2476,7 @@
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-   "id": "f301bb19",
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@@ -2493,7 +2493,7 @@
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@@ -2505,7 +2505,7 @@
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@@ -2523,7 +2523,7 @@
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@@ -2534,7 +2534,7 @@
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@@ -2547,7 +2547,7 @@
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@@ -2559,7 +2559,7 @@
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-   "id": "a36fde4e",
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@@ -2590,7 +2590,7 @@
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@@ -2604,7 +2604,7 @@
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@@ -2649,7 +2649,7 @@
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@@ -2669,7 +2669,7 @@
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@@ -2701,7 +2701,7 @@
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@@ -2723,7 +2723,7 @@
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@@ -2751,7 +2751,7 @@
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@@ -2766,7 +2766,7 @@
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@@ -2778,7 +2778,7 @@
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@@ -2793,7 +2793,7 @@
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@@ -2806,7 +2806,7 @@
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@@ -2818,7 +2818,7 @@
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@@ -2828,7 +2828,7 @@
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@@ -2839,7 +2839,7 @@
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@@ -2857,7 +2857,7 @@
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@@ -2868,7 +2868,7 @@
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@@ -2880,7 +2880,7 @@
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@@ -2890,7 +2890,7 @@
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@@ -2902,7 +2902,7 @@
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@@ -2912,7 +2912,7 @@
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@@ -2924,7 +2924,7 @@
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@@ -2934,7 +2934,7 @@
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@@ -2953,7 +2953,7 @@
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@@ -2963,7 +2963,7 @@
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@@ -2975,7 +2975,7 @@
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@@ -2985,7 +2985,7 @@
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@@ -3001,7 +3001,7 @@
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@@ -3021,7 +3021,7 @@
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@@ -3031,7 +3031,7 @@
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@@ -3042,7 +3042,7 @@
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@@ -3061,7 +3061,7 @@
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@@ -3071,7 +3071,7 @@
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@@ -3083,7 +3083,7 @@
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@@ -3093,7 +3093,7 @@
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@@ -3104,7 +3104,7 @@
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@@ -3124,7 +3124,7 @@
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@@ -3136,7 +3136,7 @@
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@@ -3151,7 +3151,7 @@
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@@ -3231,7 +3231,7 @@
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@@ -3241,7 +3241,7 @@
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@@ -3253,7 +3253,7 @@
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@@ -3263,7 +3263,7 @@
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@@ -3274,7 +3274,7 @@
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@@ -3286,7 +3286,7 @@
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@@ -3296,7 +3296,7 @@
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@@ -3308,7 +3308,7 @@
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@@ -3318,7 +3318,7 @@
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@@ -3330,7 +3330,7 @@
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@@ -3343,7 +3343,7 @@
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@@ -3355,7 +3355,7 @@
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@@ -3365,7 +3365,7 @@
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@@ -3377,7 +3377,7 @@
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@@ -3389,7 +3389,7 @@
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@@ -3400,7 +3400,7 @@
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@@ -3412,7 +3412,7 @@
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@@ -3431,7 +3431,7 @@
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@@ -3444,7 +3444,7 @@
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@@ -3454,7 +3454,7 @@
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@@ -3466,7 +3466,7 @@
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@@ -3476,7 +3476,7 @@
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@@ -3488,7 +3488,7 @@
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@@ -3498,7 +3498,7 @@
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@@ -3510,7 +3510,7 @@
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@@ -3521,7 +3521,7 @@
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@@ -3533,7 +3533,7 @@
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@@ -3543,7 +3543,7 @@
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@@ -3555,7 +3555,7 @@
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@@ -3565,7 +3565,7 @@
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@@ -3577,7 +3577,7 @@
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@@ -3598,7 +3598,7 @@
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@@ -3609,7 +3609,7 @@
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@@ -3621,7 +3621,7 @@
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@@ -3631,7 +3631,7 @@
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@@ -3643,7 +3643,7 @@
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@@ -3653,7 +3653,7 @@
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@@ -3665,7 +3665,7 @@
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@@ -3677,7 +3677,7 @@
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@@ -3691,7 +3691,7 @@
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@@ -3706,7 +3706,7 @@
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@@ -3717,7 +3717,7 @@
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@@ -3730,7 +3730,7 @@
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@@ -3741,7 +3741,7 @@
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@@ -3764,7 +3764,7 @@
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@@ -3778,7 +3778,7 @@
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@@ -3791,7 +3791,7 @@
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@@ -3802,7 +3802,7 @@
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@@ -3814,7 +3814,7 @@
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@@ -3825,7 +3825,7 @@
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@@ -3841,7 +3841,7 @@
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@@ -3852,7 +3852,7 @@
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@@ -3866,7 +3866,7 @@
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@@ -3888,7 +3888,7 @@
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@@ -3900,7 +3900,7 @@
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@@ -3910,7 +3910,7 @@
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@@ -3922,7 +3922,7 @@
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@@ -3934,7 +3934,7 @@
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@@ -3944,7 +3944,7 @@
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@@ -3956,7 +3956,7 @@
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@@ -3966,7 +3966,7 @@
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@@ -3978,7 +3978,7 @@
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@@ -3988,7 +3988,7 @@
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@@ -4000,7 +4000,7 @@
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@@ -4012,7 +4012,7 @@
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@@ -4022,7 +4022,7 @@
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@@ -4034,7 +4034,7 @@
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@@ -4044,7 +4044,7 @@
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@@ -4056,7 +4056,7 @@
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@@ -4068,7 +4068,7 @@
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@@ -4080,7 +4080,7 @@
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@@ -4090,7 +4090,7 @@
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@@ -4102,7 +4102,7 @@
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@@ -4112,7 +4112,7 @@
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@@ -4124,7 +4124,7 @@
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@@ -4134,7 +4134,7 @@
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@@ -4146,7 +4146,7 @@
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@@ -4157,7 +4157,7 @@
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@@ -4169,7 +4169,7 @@
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@@ -4179,7 +4179,7 @@
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-   "id": "8c6a5104",
+   "id": "9509a31e",
    "metadata": {
     "editable": true
    },
@@ -4191,7 +4191,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "582c9d1b",
+   "id": "02761adc",
    "metadata": {
     "editable": true
    },
@@ -4201,7 +4201,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d1db631e",
+   "id": "e7274810",
    "metadata": {
     "editable": true
    },
@@ -4213,7 +4213,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d3d9ce51",
+   "id": "bda28d41",
    "metadata": {
     "editable": true
    },
@@ -4226,7 +4226,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5ceac6f8",
+   "id": "c937e12b",
    "metadata": {
     "editable": true
    },
@@ -4238,7 +4238,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e8298ff1",
+   "id": "e68701ef",
    "metadata": {
     "editable": true
    },
@@ -4250,7 +4250,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "303ab451",
+   "id": "74dae651",
    "metadata": {
     "editable": true
    },
@@ -4262,7 +4262,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "4908c797",
+   "id": "f5c3ce3c",
    "metadata": {
     "editable": true
    },
@@ -4274,7 +4274,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "f3d29d24",
+   "id": "75c801b4",
    "metadata": {
     "editable": true
    },
@@ -4286,7 +4286,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "58c62dd2",
+   "id": "886e9a68",
    "metadata": {
     "editable": true
    },
@@ -4296,7 +4296,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "3fc7a84b",
+   "id": "de7db3ea",
    "metadata": {
     "editable": true
    },
@@ -4308,7 +4308,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ca249b50",
+   "id": "1f1cb839",
    "metadata": {
     "editable": true
    },
@@ -4320,7 +4320,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "923635ef",
+   "id": "d2da75eb",
    "metadata": {
     "editable": true
    },
@@ -4333,7 +4333,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "045c5990",
+   "id": "bbacc898",
    "metadata": {
     "editable": true
    },
@@ -4360,7 +4360,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5ea68129",
+   "id": "20fbbba0",
    "metadata": {
     "editable": true
    },
@@ -4371,7 +4371,7 @@
   {
    "cell_type": "code",
    "execution_count": 44,
-   "id": "d399c0d7",
+   "id": "1979d2a6",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -4467,7 +4467,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c7673816",
+   "id": "6c2fb184",
    "metadata": {
     "editable": true
    },
@@ -4482,7 +4482,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c979bd8e",
+   "id": "b6c2b405",
    "metadata": {
     "editable": true
    },
@@ -4504,7 +4504,7 @@
   {
    "cell_type": "code",
    "execution_count": 45,
-   "id": "933f410b",
+   "id": "329decb7",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -4579,7 +4579,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "13999171",
+   "id": "01a0fc73",
    "metadata": {
     "editable": true
    },
@@ -4591,7 +4591,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "9f208390",
+   "id": "8a0bd69f",
    "metadata": {
     "editable": true
    },
@@ -4660,7 +4660,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "2010af15",
+   "id": "ea03d9f0",
    "metadata": {
     "editable": true
    },
@@ -4674,7 +4674,7 @@
   {
    "cell_type": "code",
    "execution_count": 46,
-   "id": "59a44b2e",
+   "id": "2ffabbd8",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -4687,7 +4687,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "03512f36",
+   "id": "38967294",
    "metadata": {
     "editable": true
    },
@@ -4701,7 +4701,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "5b48875f",
+   "id": "399cb698",
    "metadata": {
     "editable": true
    },
@@ -4714,7 +4714,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "d842fa2d",
+   "id": "8be7228e",
    "metadata": {
     "editable": true
    },
@@ -4725,7 +4725,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "e7a29f92",
+   "id": "85d4f6de",
    "metadata": {
     "editable": true
    },
@@ -4737,7 +4737,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ee02fdd9",
+   "id": "78db66b0",
    "metadata": {
     "editable": true
    },
@@ -4747,7 +4747,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "de2127a5",
+   "id": "f9638fee",
    "metadata": {
     "editable": true
    },
@@ -4759,7 +4759,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "64146865",
+   "id": "df38df57",
    "metadata": {
     "editable": true
    },
@@ -4770,7 +4770,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "44a86bc7",
+   "id": "31937324",
    "metadata": {
     "editable": true
    },
@@ -4789,7 +4789,7 @@
   {
    "cell_type": "code",
    "execution_count": 47,
-   "id": "557068d0",
+   "id": "42a92590",
    "metadata": {
     "collapsed": false,
     "editable": true
@@ -4805,7 +4805,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "415b904c",
+   "id": "baf1d96c",
    "metadata": {
     "editable": true
    },
@@ -4815,7 +4815,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "65a43b24",
+   "id": "91a15fc8",
    "metadata": {
     "editable": true
    },
@@ -4826,7 +4826,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "ca9e41cf",
+   "id": "cb4f9cbc",
    "metadata": {
     "editable": true
    },
@@ -4838,7 +4838,7 @@
   },
   {
    "cell_type": "markdown",
-   "id": "c9896faa",
+   "id": "fb41d9d9",
    "metadata": {
     "editable": true
    },
diff --git a/doc/src/week34/week34.do.txt b/doc/src/week34/week34.do.txt
index a3059e304..34fcb0c4d 100644
--- a/doc/src/week34/week34.do.txt
+++ b/doc/src/week34/week34.do.txt
@@ -96,7 +96,7 @@ o Project 3: December 9  (available November 5, graded with feedback)
 
 
 !bblock
-Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Sunday and can be uploaed to _Canvas_ in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set counts 1%.
+Extra Credit (not mandatory),  weekly exercise assignments, 10 in total (due Friday same week), 10% additional score. The extra credit assignments are due each Friday and can be uploaed to _Canvas_ in your preferred format (although we prefer jupyter-notebooks). First assignment is for week 35. Each weekly exercise set gives one additional point to the final score, see below on grading.
 !eblock
 
 !split
@@ -113,7 +113,7 @@ The final number of points is based on the average of all projects and the grade
  * 40-45 points: E
  * 0-39 points: F-failed
 
-In addition you can get an extra 10% score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1%. 
+In addition you can get an extra score for weekly assignments (10 in total and due each Friday). Each weekly assignment counts 1 point. As an example, this means that if your average after three projects is 88 points and you have handed in and gotten approved four weekly exercises, the total score is 88+4=92, which translates into an A.