500,000 - 1,000,000 downloads

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Emulator of the HP 48 scientific calculator, using RPN. Port of the X48 project (sources available on github). HP48's "grayscale mode" cannot be emulated.

Visit www.hpcalc.org for a large program collection.

Cool tip: tap the HP's LCD to show/hide a simpler numeric pad !

Tags: hp48, droid 48, hp48 emulator, hp 48, droid48 manual, droid48, hp emulator, hp 48g, hp 48 emulator, hp48g.

Recently changed in this version

- Bugfixes on external storage management
- Removed the compatibility menu. You can access settings, minimal screen and other options by tapping the LCD screen of the HP calculator (a small reminder will appears at each application start)
- Moved ram and rom files to the proper Android data directory, so an uninstall will leave your external storage in a clean state.

Lists with Droid48

Some lists where this application appears: Good Stuff, Luis Jerald.

Screenshots Droid48
View bigger - Droid48 for Android screenshot
View bigger - Droid48 for Android screenshot
Comments and ratings for Droid48
  • (75 stars)

    by Bryan Scott on 07/04/2014

    Works great. Just as expected.

  • (75 stars)

    by Ryan Battelle on 06/04/2014

    So far the only issue I see is a minor bug in the menu system. On a real 48 there is always a menu item that takes you up one level in the current menu. That's pretty minor. Highly recommend to HP48 users.

  • (75 stars)

    by Dean Rettig on 30/03/2014

    This is the perfect emulation/port of the calculator that got me through college. If you want RPN, auto unit conversions, vectors, matrices, complex numbers and 100 other features, this is the calculator for you.

  • (75 stars)

    by Lonny Eachus on 29/03/2014

    It has a few minor rough spots (rare screen glitch on startup, no key repeat when held, "minimal controls" mode needs a little polish) but these are minor quibbles. This is now my go-to calculator app. I uninstalled about 6 other calculators... don't need

  • (75 stars)

    by Alejandro Maldonado on 17/03/2014

    Works just like the real thing. And its a free app with no ads!

  • (75 stars)

    by Wanderson Wadjo M. Resende on 16/03/2014

  • (75 stars)

    by Javier Romero on 16/03/2014

    I have my 48GX in storage from my college years. While it's a wonderful calculator, I have to admit it's a bit too large (and valuable) to carry it everywhere. This app solves the problem with flying colors. The HP emulators from the x48 project are just