
Functions of Real
and
Complex
Numbers
12
Math Functions on the Main Keyboard
The following tables describe built-in commands that appear on
keyboard. 12
Arithmetic and General Math Functions
Key
Prograimiiable
Command
Description
iWl
INV
Prefix. Inverse (reciprocal).
y
Prefix. Square root.
Q(ZD
SQ
Prefix. Square.
CE)
NEC
Infix. Change sign. Changes the sign of
the number in the command line. When
no command line is present, [+/-)
executes a NEC command (changes the
sign of the argument in level 1).
CD
-b
Infix. Level 2 + level 1.
0
-
Infix. Level 2 — level 1.
*
Infix. Level 2 x level 1.
©
/
Infix. Level 2 level 1.
O
A
Infi.x. Level 2 raised to the level 1
power. The algebraic syntax for the ^
command is ’ y''''x '.
XROOT Prefix. The rth (in level 1) root of a
real value in level 2. The algebraic
syntax for the XROOT command is
Functions of Real and Complex Numbers 12-1
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