Calculated Industries 8510 - Manual (Page 3)

P OCKET R EFERENCE G UIDE - 1
Basic Function Keys
o - On/Clear Key
Turns power on. Pressing once clears
the display. Pressing twice clears all
temporary values.
O - Off
Turns all power off, clearing all non-
permanent registers.
+ – x ÷ =
Arithmetic operation keys.
0 - 9 and •
Digits used for keying in numbers.
% - Percent (%)
Four-function (+, -, x, ÷) percent .
KEY DEFINITIONS