All ParanzaSoft programs feature auto-calculation, so that there's no need for a Calculate button. To trigger a calculation, make sure that all fields contain valid input.

You can find out what values a field accepts by placing the cursor over the field: after a few seconds a Help Tag will appear.

Please note that for dates, the year needs to be entered with four digits, e.g. "10/6/2004".

No. We have no plans to develop for Windows.

To run our software you need a Mac. Macintosh computers are the best-designed computers on the market, and handle every common computing task as well as, or better than, a Windows PC.

Click here to learn more.

Your registration code consists of both a user name and a serial number. Enter both exactly as they appear in your payment receipt.

Copying the registration code from your Email application usually works fine. However, there have been problems with some versions of Mail that copied extra hidden characters, thus making the registration process fail.

When this happens, please enter the serial number manually.

To make sure that you're using a serial number that matches the application you're registering:

For purchases made via eSellerate, please visit eSellerate's After-Purchase Services; enter the email address that you used for the purchase and your order history will be emailed to you.

For purchases made via Kagi, please use Kagi's Payment Query System.

Contact us if neither of these avenues work for you.