basic.- Operator/BASIC Program

basic.-

Command basic.- Operator/BASIC Program
Applicable release versions: AP, R83
Category BASIC Program (486)
Description designates a subtraction operation, or to indicate a negative numeric value.
Syntax num.expression - num.expression
Options
Example
x = x - 1
Subtracts "1" from the contents of variable "x".

x = x + (-z)
Negates the contents of "z" and adds to the contents of 
"x".  The result is placed in "x".

amount = price - discount.amount
Subtracts the contents of the variable "discount.amount" from the 
variable "price".  Places the result in the variable 
"amount".

amount = (unit.cost * qty) - discount.amount
Subtracts the contents of variable "discount.amount" from the product 
of "unit.cost" and "qty".  The parenthesis "()" 
used to group precedence are unnecessary due to default precedence. They are 
added for program clarity.

counter = -1
This assigns the value, "-1", to the variable "counter".
Purpose
Related basic.num.expression
basic.precedence
basic.=
basic.operators
arithmetic.operators
basic.arithmetic.expressions
basic.special.characters
basic.+=
basic.:=
basic.-=
basic.precision
basic./=
basic.+
basic.*=