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Thread: PayPal Fee Calculator

  1. #1
    Join Date
    Apr 2013
    Posts
    1

    PayPal Fee Calculator

    I would like to have a form do the following automatically:

    text_field_1 = (User Input) (e.g. 12.00)
    text_field_2 = text_field_1/100*3.4+0.2 (e.g. 0.608)
    text_field_3 = text_field_1 + text_field_2 (e.g. 12.608)

    It is to calculate additional charges for accepting paypal payment. It would be great if it could automatically round up or down on the final value to give an accurate figure.

    If this has already been done can anyone point in the right direction?

    Regards

    Chris

  2. #2
    Join Date
    Mar 2009
    Posts
    496
    Look at the built-in Javascript 'Math" object. A quick google search will turn up many sources on this subject.

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