PC3K v2.41 Update

[beronjan]

Novi update za PC3K

Evo poboljšanja:

SETUP MODE:

Fixes/Improvements:

When the ribbon controller is set to use negative scaling, it will now properly spring back to the center value.

PROGRAM MODE:

Fixes/Improvements:

Fix for issue introduced in V2.40 where FUN 'a*10^b' would always output 0.
When the ribbon controller is set to use negative scaling, it will now properly spring back to the center value.