Bug #20 Update version number and history
x^(1/y) mit x=0 funktioniert nicht
Fixed with aeb83cb7c844e03f24e5f18acac752f63a3e7f14 .
Bug #20 root 0 fixed.
The key "C" clears the constant calculation mode
Fixed December 2023.
fx-null-pointer
Merge branch 'release/7.2.3' into develop