this is a simple program to easily switch between DEG (degrees) and RAD (radians)
INSTALLATION:
this program makes use of the keyboard shortcuts of the ti89
to make a keyboard shortcut, the file must be named kbdprgmX,
***where the X is replaced by a number from 1-9***
i.e. kbdprgm2

USAGE:
press the green diamond key, followed by the number you replaced the X with to run the program
i.e. diamond, 2