Calcoo

Modern scientific calculator in Java, supporting RPN and algebraic modes
Oct 09, 2026
Rating:
3.4 on 36 votes
Category:
Education › Science
Developer:
Alexei Kaminski
License:
Open source
Total downloads:
8
Latest version:
2.1

Description

A scientific calculator with RPN and algebraic modes for maximum usability. Version 2 is now in Java, a more modern language than the previous version in C. To use the app, you'll need Java SE 7 or higher installed on your machine. You may already have Java installed.

Calcoo 2.1 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free software for Mac OS X was originally created by Alexei Kaminski. Calcoo for Mac is categorized as Education Tools. Please check the Mac app with an antivirus before launch as it is downloaded from the developer's website, and we cannot ensure that it is safe.

From the developer:

Calcoo is a scientific calculator (with both RPN and algebraic modes) designed to provide maximum usability. Version 2 of Calcoo is written in Java, which is a much more modern computer language than C used for version 1 of Calcoo. To run Calcoo, you need a recent version of Java, at least Java SE 7 (also known as "Version 7" or "1.7"). You may already have Java installed on your machine.

You may want to check out more Mac applications, such as sciatrope, Analytics to Earth or TreeView X, which might be related to Calcoo.

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