The main screen of Bob's Calculator is shown below. This is the starting point
for all functions and operations within the application. The links to the
right of the image will give further detail about specific functions of the
main screen.

Overview
Edit menu
Options menu
Help menu
Stack
Display mode
Precision
Angle mode
The popup list at the left of the display will show the 'stack'. The stack
contains a list of the last values that were calculated, in sequence. The
stack size is user adjustable on the preference screen. Tapping any stack
entry will copy that number back to the display.
(c) 2005 RarM_Software