Forth Calculator Pro

50+
Downloads
Content rating
Everyone
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About this app

RPN calculator with programmable keys and a code editor. Its programming language is based on Forth, but it comes with high level data structures like Maps, Lists, optional local variables and a built-in HTTP client what you can use to integrate to IOT hardware or control smart home appliances.

Features:
* User defined programs and configurable keys
* Tone generator, blinking camera LED
* HTTP client with JSON support
* Forth wizard / Stack juggling solver (https://youtu.be/n9aS3Iu6bf8)
* Unit conversions, finance functions like compound interest, discounting, tip calculation, IRR (internal rate of return), NPV (net present value), trigonometric functions, average and many more.

Language reference:
https://github.com/zeroflag/fcl/
Updated on
Sep 2, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection

What’s new

Fix UI system bar overlap

App support

About the developer
Attila Magyar
m.magyar3@gmail.com
Budapest Egressy Ășt 27 1149 Hungary
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