P
OCKET REFERENCE GUIDE — 1
KEY DEFINITIONS / FUNCTIONS
Basic Function Keys
+ – x Arithmetic operation keys.
÷ =
0 – 9 Keys used for entering
and • numbers.
% Percent Key — Four-func-
tion (+, –, x, ÷) percent key.
O Off Key — Turns all power
off, clearing all non-perma-
nent registers.
o On/Clear Key — Turns on
power. Pressing once clears
the display. Pressing twice
clears all temporary values.
Ç Convert Key — Used with
the dimensional keys to
convert between dimen-
sions or with other keys to
access special functions.
√ Square Root Key — Used to
find the Square Root of a
non-dimensional or area
value.
Ç √ x
2
Function — Finds the
Square of a linear or non-
dimensional value.
GETTING STARTED