The CALCULATE command
evaluates debugger expressions and displays the result. The result
must be numeric.
Example
Add 1.1, 1.2, 3.4 and multiply
the result by 0.5:
calc (1.1+1.2+3.4)*0.5
Calculate the sum of STARTAGE and
DURATION:
calc startage+duration
Calculate the values of the variable
SALE minus the variable DOWNPAY and then multiply the result by the
value of the variable RATE. Divide that value by 12 and add 50: