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
Entering digits: There are 3 ways of entering digits: tap a
screen button, use the graffiti pad, or use the
keypad on devices so equipped.
Fractional digit entry: To enter a fractional value, you would use the
decimal button twice. For instance, to enter 5.3/8, you would press "5, Decimal,
3, Decimal, 8, Enter". The value will then be displayed in the current
display mode, which may, or may not, be fractional.
Operations: When you tap a button, the main operation (displayed in
white) will be executed. If you tap the 'fn' button first, the functions
shown on the bottom of the button will be executed. After the 'fn'
button has been pressed, an 'f' will appear at the right of the display.
Alternate top buttons: Pressing the "up" button will scroll the top row of buttons. The top row will, by default,
show trigonometry functions, but they can be scrolled to show
financial, statistics
or programming buttons.
Menu: The menu bar is not visible in Bob's
Calculator, so that more buttons can be displayed on-screen. To
open the menu you must tap the very top of the screen, or the menu button,
which is usually located at
the bottom left of the graffiti input area. On keypad
equipped devices, the menu button is usually near the bottom corner.
Mantissa: If you tap the display area, the mantissa (the top 11
significant digits of the current number) will be displayed for a brief
period of time, or as long as you hold the stylus at that spot. You can make
the mantissa display persistent by, instead of
lifting the stylus from that same spot, dragging the stylus from the display
area down to the
button area of the screen. The mantissa will be displayed until the next
operation or screen tap.
(c) 2005 RarM_Software