diff --git a/.idea/misc.xml b/.idea/misc.xml
index a2e120d..cddc448 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,4 +1,4 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7" project-jdk-type="Python SDK" />
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.7 (Projekttage)" project-jdk-type="Python SDK" />
 </project>
\ No newline at end of file
diff --git a/.idea/projekttage.iml b/.idea/projekttage.iml
index 6711606..ca6e323 100644
--- a/.idea/projekttage.iml
+++ b/.idea/projekttage.iml
@@ -2,7 +2,7 @@
 <module type="PYTHON_MODULE" version="4">
   <component name="NewModuleRootManager">
     <content url="file://$MODULE_DIR$" />
-    <orderEntry type="inheritedJdk" />
+    <orderEntry type="jdk" jdkName="Python 3.7 (Projekttage)" jdkType="Python SDK" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>
   <component name="TestRunnerService">
diff --git a/Formeln.py b/Formeln.py
index ee47741..d18c70a 100644
--- a/Formeln.py
+++ b/Formeln.py
@@ -8,7 +8,7 @@ Formeln = [k.Formel('Kraftformel', "F=m*a", i=k.Groesse('F', 'N', False), a=k.Gr
            k.Formel('Gleichm. beschl. Bew.', i=k.Groesse('s', 'm', False), a=k.Groesse(None, None, True, 0.5),
                     b=('a', 'm/s^2', False), c=k.Groesse('t', 's', False), z=konstante_eins, x=konstante_eins,
                     y=k.Groesse(None, None, True, 2)),
-           k.Formel('Gewichtskraft', i=k.Groesse('Fg', 'N',False), a=k.Groesse(None,None,True,9.81),b=('h','m',False),
+           k.Formel('Gewichtskraft',"Fg=9,81*h", i=k.Groesse('Fg', 'N',False), a=k.Groesse(None,None,True,9.81),b=('h','m',False),
                     c=konstante_eins, z=konstante_eins,y=konstante_eins,x=konstante_eins),
            k.Formel('Spannenergie', i=k.Groesse('Espann','J', False), a=k.Groesse(None, None, True, 0.5),
                     b=k.Groesse('D', 'N/m', False), c=k.Groesse('s', 'm', False), x=konstante_eins, y=konstante_eins,
@@ -21,7 +21,7 @@ Formeln = [k.Formel('Kraftformel', "F=m*a", i=k.Groesse('F', 'N', False), a=k.Gr
                     y=k.Groesse(None, None, True, 2)),
            k.Formel('Elektrische Leistung', i=k.Groesse('P', 'W', False), a=k.Groesse('U', 'V', False),
                     b=k.Groesse('I','A', False), c=konstante_eins, z=konstante_eins, x=konstante_eins, y=konstante_eins),
-           k.Formel("Geschwindigkeit", i=k.Groesse ('v', 'm/s',False), a=k.Groesse('s', 'm', False),
+           k.Formel("Geschwindigkeit",'v=s/t', i=k.Groesse ('v', 'm/s',False), a=k.Groesse('s', 'm', False),
                     b=k.Groesse ('t','s', False), z= konstante_eins, y= konstante_eins, x=k.Groesse(None,None,True,-1)),
 
            k.Formel('Wiederstand', i=k.Groesse('R', 'Ohm', False), a=k.Groesse('U', 'V', False),