RPN-45 scientific calculator

Developer: Martin Krischik

Category: Productivity

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5.2K installs

121 ratings

607 monthly active users

Revenue not available

RPN-45 scientific calculator Summary

RPN-45 scientific calculator is a mobile Android app in Productivity by Martin Krischik. Released in Jun 2010 (16 years ago). It has about 5.2K+ installs and 121 ratings with a 4.09★ (good) average. Based on AppGoblin estimates, it reaches roughly 607 monthly active users . Store metadata: updated Dec 20, 2025.

Store info: Last updated on Google Play on Dec 20, 2025 .

SDKs, Trackers & Permissions

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App Details

Store ID: net.sourceforge.uiq3.hp45

First Released: 2010-06-13

Store Last Updated: 2025-12-20

In-App Purchases: No

Ads: No

Website: uiq3.sourceforge.io

App Store

Crawl Status: Success

AppGoblin First Crawled: 2021-02-06

AppGoblin Last Crawled: 2026-06-06

Ads & App-Ads.txt

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4.09★

Ratings: 121

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Screenshots

App Description

A scientific calculator based on the classic HP-45 calculator.

RPN-45 scientific calculator is a true hardware emulation of the classic HP-45 calculator will behave just like the original.

The following Android functions are supported:

• Calculation results can be copies to the clipboard.
• Can be installed on the SD-Card.
• Participates in Androids build in backup and restore.
• Honeycomb Tablet compatible.
• Extra Printer for Honeycomb Tablets (visit our web-page for screen shot).

Please visit our web-page for more informations and support. Remember that the Market-Comments have no answer function and I can't help you if you post there.