Texas Instruments TI-89 사용자 설명서

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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 ¸