Texas Instruments TI-89 Titanium User Manual page 588

String Operations
Strings are used to enter and display text characters. You can type a string directly, or
you can store a string to a variable.
How Strings Are Used
A string is a sequence of characters enclosed in "quotes." In programming, strings allow
the program to display information or prompt the user to perform some action. For
example:
Disp "The result is",answer
– or –
Input "Enter the angle in degrees",ang1
– or –
"Enter the angle in degrees"!str1
Input str1,ang1
Some input commands (such as
do not require the user to enter quotation marks.
A string cannot be evaluated mathematically, even if it appears to be a numeric
expression. For example, the string "
number .
61
Programming
) automatically store user input as a string and
InputStr
" represents the characters "
61
" and " ", not the
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