On 2015-11-17 16:59, Joel Fischoff wrote:
What you're suggesting is fine, you just need to remember that it has
to be consistent, variable name-wise. And that the calculation MUST
be a string. Though I'd probably just use macro substitution.
I just ran the following in interactive VFP 9:
Cost = 100
tax = 14
overhead = 6
jones_total = "(Cost * (Tax/100)) + Overhead"
? &jones_total
or replace the last line with:
total_calc = "(Cost * (Tax/100)) + Overhead"
jones_total = &total_calc
Ran it again in a program file, still executed just fine.
Joel
Here's the twist. My current code is a multi-line segment. Something
like
Cost = Qty * UnitCost
Tax_Cost = (Cost * Tax_Rate/100)
SubTotal = Cost + Tax
Overhead_Cost = SubTotal * (Overhead_Rate/100)
Markup_Cost = (SubTotal + Overhead_Cost) * (Markup_Rate/100)
Total_Cost = SubTotal + Overhead_Cost + Markup_Cost
The reason they're all multi-line is because they're each stored to show
the calcs on screen and in a report.
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