CASTI-89 TITANIUM · CALC89

gcd(

Returns the greatest common divisor of two integers.

Syntax

gcd(a, b)

Group
Number functions
Arguments
Takes two integers a and b.
Availability
Included
Menu path
MATH ▸ Number ▸ gcd(

Example

InputResult
gcd(12,18)6

Typing gcd(12,18) on the home screen and pressing ENTER returns 6.

Keystrokes on the TI-89 Titanium

2NDMATH19

The same key sequence inserts gcd( in Calc89, and the AI tutor shows it step by step on the on-screen keypad.

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