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Using mathematical functions 13-19

= = Equals (logical test). Returns 1 if true, 0 if false.

value1==value2

≠ Not equal to. Returns 1 if true, 0 if false.

value1≠value2

> Greater than. Returns 1 if true, 0 if false.

value1>value2

≥ Greater than or equal to. Returns 1 if true, 0 if false.

value1≥value2

AND Compares value1 and value2. Returns 1 if they are both

non-zero, otherwise returns 0.

value1 AND value2

IFTE If expression is true, do the trueclause; if not, do the

falseclause.

IFTE(expression, trueclause, falseclause)

Example

IFTE(X>0,X

)

NOT Returns 1 if value is zero, otherwise returns 0.

NOT value

OR Returns 1 if either value1 or value2 is non-zero, otherwise

returns 0.

value1 OR value2

XOR Exclusive OR. Returns 1 if either value1 or value2—but

not both of them—is non-zero, otherwise returns 0.

value1 XOR value2

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.

ACOT(value)

HP 39gs English.book Page 19 Wednesday, December 7, 2005 11:24 PM

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