Note: For international deliveries, I can ship it by First Class Mail, reducing the shipping fee to around US$25 (instead of $40+). Finally, I flash the latest version 3.3 ROM (from SVN), using the crystal version to include the stopwatch.
Then I carefully attach the overlay sticker. This means I carefully open the calculator, solder in the components, and then close the calculator, with no damage to the case. Latest 3.3 build of the firmware pre-flashed.Latest revision 3.x keyboard overlay pre-installed.Clock crystal and required capacitors pre-installed.HP 30b calculator, for the best keyboard.
HP 42S RPN SCIENTIFIC CALCULATOR HOW TO
I have written instructions explaining how to make your own WP34S, but if you would like the work done for you, this package provides you with a full WP 34S calculator, with the following components: Later, Marcus von Cube joined the team and made it run on the HP 20b/30b platform.Īt this point, the WP 34S functionality is comparable to that of the long-discontinued HP 42S, but expanded significantly. The software of the 34S was written largely by Walter Bonin and Paul Dale, initially just as a PC program. It is not an HP product, but it is rather a community-created product based on an existing HP calculator platform. The WP 34S is the most powerful scientific (non-graphing) calculator on the market. Note: I am a bit behind on making these, so please expect a delay of 4-6 weeks before shipment.
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