Texas Instruments TITANIUM TI-89 - Manual (Page 75)

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Finding Prime Factors Finding Prime Factors Finding Prime Factors Finding Prime Factors
Finding Roots Finding Roots Finding Roots Finding Roots
Steps and keystrokes Display
Compute the factors of the rational number
2634492. You can enter “factor” on the entry
line by typing
FACTOR on the keyboard, or by
pressing „ and selecting
2:factor( .
Press „ 2 2634492 d ¸
(Optional) Enter other numbers on your own.
Steps and keystrokes Display
Find the root of the expression (x,y). You can
enter “root” on the entry line by typing
ROOT
on the keyboard, or by pressing 8 9.
This example illustrates using the root
function and how the expression is displayed
in “pretty print” in the history area.
Press 8 9 X b Y d ¸