Texas Instruments TITANIUM TI-89 - Manual (Page 74)

Previews 74
Finding the Factorial of Numbers Finding the Factorial of Numbers Finding the Factorial of Numbers Finding the Factorial of Numbers
Expanding Complex Numbers Expanding Complex Numbers Expanding Complex Numbers Expanding Complex Numbers
Steps and keystrokes Display
Compute the factorial of several numbers to
see how the TI-89 Titanium handles very
large integers. To get the factorial operator (!),
press
2 I, select
7:Probability , and then
select 1:! .
Press 5 2 I 7 1 ¸ 20 2 I 7 1
¸ 30 2 I 7 1 ¸
Steps and keystrokes Display
Compute (3+5 i )
3
to see how the TI-89
Titanium handles computations involving
complex numbers.
Press c 3 « 5 2 ) d Z 3 ¸