Variables, Arithmetic Expressions, & Strings

 

Variables are character names to which are associated values. You get access to the value by using the name. The following commands are used in VISTA to manipulate variables:

SET
sets the value of a variable, either directly or in terms of arithmetic operations on other variables.

TYPE
displays the value of a variable or any arithmetic expression.

ASK
asks for information to be entered at the terminal.

PRINTF
formatted printing of variable values and character strings.

STRING
definition of string variables.