How Can I calculate a running total (prior total - expense)?

V

Victor

Is it possible to display a control field which displays the results of the
previous control field minus the value in the current expense control field?
How do I do it if it is possible. In old fashioned Clipper programming I
would store the desired value in a memory vaiable, create a new record then
recall the memory variable and subtract the value I want from this variable
then store the result in the field desired.
 
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