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HP 42s

is a simple emulation of the legendary HP 42s Calculator from Hewlett Packard on the Desktop. The input of  UPN-Logic calculations are faster than the conventional way with the equals sign ( see  Wikipedia).

It is possible to operate the calculator with the mouse and the numerical keypad. It can be moved free on the desktop.

The complex operations and the matrix operations are not yet implemented.
Also it is not possible to program the calculator.


Download...     Version 1.0.4 (1120 kB)

The free version has no restrictions, so you can test the version before buying. The "About" Message will not been shown anymore with a registrated version.


Get registrated user.
You can easily use Paypal (used for Ebay Payments) for payment. So we get no information about your credit card.
Ask for discount if you want to buy more registrations.
All further updates are free and no more About at startup is shown.

If you have any questions, send an E-Mail to ThGSoft Sales.  

Single Place Version
(registrated for 1 user for a reasonable number of computers)

10.00 sFr.

7.00 €
10.00 $


Version 1.0.4 (Dec 09) Bug 2 * Enter
Version 1.0.3 (Jul 09) Initial Version