Math( ) | Performs mathematical operations and returns the result |
Math( returnvar , number1 operator number2 )
Performs a floating-point calculation on number1 to number2 , and assigns the result to the variable named returnvar . Valid operators are + , - , / , * , % , < , > , >= , <= , and == , and they behave as their C equivalents.
Always returns .
; add two numbers, and say the result exten => 123,1,Math(SUM,2+2) exten => 123,2,SayNumber(${SUM}) ; subtract two numbers, and say the difference exten => 124,1,Math(DIFFERENCE,5-3) exten => 124,2,SayNumber(${DIFFERENCE})