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Alternative firmware for HP 50g post.

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Markus Birth 2017-03-19 23:10:00 +01:00
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---
title: HP 50g alternative firmware
layout: default
language: en
created: 2017-03-19 23:07:55 +0100
updated: 2017-03-19 23:07:55 +0100
toc: false
tags:
- know-how
- hardware
- hp
- 50g
- calculator
- firmware
---
The original firmware in the HP 50g emulates a [Saturn CPU](https://en.wikipedia.org/wiki/HP_Saturn)
like the HP 48 and HP 49 had. However, the built-in [ARM920T](https://en.wikipedia.org/wiki/ARM9#ARM920T)
processor has more power than the Saturn.
And now there's a firmware to unleash the power: **newRPL**:
[Project homepage](http://hpgcc3.org/projects/newrpl)
It's very usable at this point, but not all features are implemented yet. You can see the current
status on the [detailed project status page](http://hpgcc3.org/projects/newrpl/project-status/detailed-status).