HP 39g Graphing Calculator - Manual (Page 159)

AND Compares value 1 and value!. Returns 1 if they are both non­
zero, otherwise returns
0
.
valuel A N D value!
IFTE If expression is true, do the trueclause', if not, do the
falseclause.
IFTE (expression, trueclause, falseclause)
Example
IFTE(X>0,X^X3)
NOT Returns 1 if value is zero, otherwise returns 0.
NOT value
OR Returns 1 if either valuel or value! is non-zero, otherwise
returns
0
.
valuel OR value!
XOR Exclusive OR. Returns 1 if either valuel or value!—but not
both of them—is non-zero, otherwise returns
0
.
valuel XOR value!
Trigonometry functions
The trigonometry functions can also take complex numbers as
arguments. For SIN, COS, TAN, ASIN, ACOS, and ATAN,
see the Keyboard category.
ACOT Arc cotangent.
ACOTlvalue)
ACSC Arc cosecant.
ACSCivalue)
ASEC Arc secant.
ASEC(vai«e)
COT Cotangent: cos.r/siru:.
COT(value)
CSC Cosecant: 1/sinx
CSC(value)
SEC Secant: 1/cosx.
SEC(va/iie)
Using mathematical functions 10-21