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Programming 601
How Strings Are Used
How Strings Are UsedHow Strings Are Used
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:
Some input commands (such as
InputStr) automatically store user input as a string and
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 "
61" represents the characters "6" and "1", not the
number
61.
Although you cannot use a string such as "
61" or "2x+4" in a calculation, you can convert
a string into a numeric expression by using the
expr command.
Disp "The result is",answer
– or –
Input "Enter the angle in degrees",ang1
– or –
"Enter the angle in degrees”!str1
Input str1,ang1