creating a field for calculating

  • Thread starter Thread starter Guest
  • Start date Start date
G

Guest

any idea how to create a field where someone accessing my website can enter a
number (say, into a box) without seeing the formulas in order to have a
calculation done for them. for example, entering $150.00 into a box that
would then calculate the total including GST. i want to create this almost
like a drop-down field for people to enter the numerical amount-more
attractive box.
 
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