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Wombat

Wombat is a calculator, available on Linux.

  • Completely free
  • Linux
  • Open source

At a glance

All of Wombat is free: no feature is locked behind a paid plan, and its code is open.

Its licence (GPL-3.0+) is a copyleft open source licence: you may use, study, modify and redistribute it, including commercially; modified versions must keep the same licence.

Strengths

  • Open source code
  • Commercial use allowed

About

Wombat is a mobile-friendly and modern graphical interface for Numbat programming language, which is a high-precision scientific calculator with first-class support for physical units and dimensions. It lets you write expressions naturally, combine units safely, and convert results instantly. It knows about nearly all physical units and their dimensions, so you can work with real-world quantities without worrying about unit conversions. Wombat is built for scientists, engineers, students, and anyone who works with real-world quantities. The app keeps a live Numbat session, displays previous calculations in a scrollable history, and provides quick access to examples, syntax help, constants, and completion suggestions. Calculations can mix ordinary mathematics with unit-aware conversions, so results stay dimensionally meaningful while the interface stays friendly.

Description from Flathub — AppStream (Flathub)

Sources and checks

  • Facts collected from Flathub (credit card, source code, publisher, licence, free status, platforms, commercial use, version) —
  • Last technical check: 8 November 2026
  • Description from Flathub — AppStream (Flathub)

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