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...
put fld "input" into age -- contains the age in years
put 67 - age into Y
## To see if it is really anumber
ANSWER Y
put max(1,Y) into x
...

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on mouseUp
  put fld "input" into age -- contains the age in years
  put max(1,67-age) into x -- avoid division by zero
  put 1000000 into v -- the target amount
  put 0.1 into r -- the interest rate 10% of one = 0.1
  put yearlyAmount(x,r,v) into fld "output"
end mouseUp

function yearlyAmount x,r,v
  put v/((((1+r)^x)-1)/r) into ann
  return format("%.2f",ann) -- cash format = two digits
end yearlyAmount

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put field "input" into tAge
if tAge is a number then
  put 67 - tAge into Y
  put max (1,Y) into X
else
  answer "tAge is not a valid number and contains" && tAge
end if

Code: Select all

10 / 100 = .1