Entering An Expression - Texas Instruments TI-89 Titanium User Manual

Entering an Expression

Type the expression, and then press ¸ to evaluate it. To enter a function or
instruction name on the entry line, you can:
• Press its key, if available. For example, press:2 W
– or –
• Select it from a menu, if available. For example, select
submenu of the MATH menu.
– or –
• Type the name letter-by-letter from the keyboard. (On the TI-89 Titanium, use j
and 2 ™ to type letters.) You can use any mixture of uppercase or lowercase
letters. For example, type
Example
Calculate 3.76 ÷ (M7.9 + ‡5) + 2 log 45.
Operating the Calculator
or .
sin( Sin(
Type the function name in
this example.
from the Number
2:abs
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