P
ocket
R
efeRence
G
uide
— 5
Memory recall —
Displays the value
saved in M+.
Memory clear (M-r/c)
—
Clears M+ without
changing current display.
percentage —
Standard
% function.
x
2
—
Squares the value
on the display.
Backspace Function
—
Used to delete entries
one keystroke at a time.
!
—
Calculates the
Square Root of the
displayed value.
1/
x
—
Finds the
Reciprocal of a number.
clear all —
Reset all
settings, other than
preferences to default.
+/– —
Toggles sign of
value.
pi —
Displays value of
(3.1415927).