Texas Instruments TITANIUM TI-89 - Manual (Page 73)

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Performing Computations Performing Computations Performing Computations Performing Computations
This section provides several examples for you to perform from the Calculator Home
screen that demonstrate some of the computational features of the TI-89 Titanium. The
history area in each screen was cleared by pressing
ƒ and selecting
8:Clear Home ,
before performing each example, to illustrate only the results of the example’s
keystrokes.
Showing Computations Showing Computations Showing Computations Showing Computations
Steps and keystrokes Display
Compute sin( p /4) and display the result in
symbolic and numeric format. To clear the
history area of previous calculations, press
ƒ
and select 8:Clear Home .
Press 2 W 2 T e 4 d ¸ 8 ‘