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QAQalculate! logo
Qalculate!
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QQalculate! logo

Qalculate!

Flathub·Lifestyle & Personal

Qalculate! is a cross-platform desktop calculator that combines ease of use with advanced mathematical capabilities. It supports customizable functions, unit calculations and conversions, physical constants, symbolic math including integrals and equations, arbitrary precision, uncertainty propagation, interval arithmetic, and plotting. Its Qt-based interface makes powerful features accessible for both everyday calculations and complex scientific work.

Free
Linux
QQalculate! logo
Visit Flathub↗

Overview

5 features

Qalculate! sits in PulseGate's Lifestyle & Personal category. It focuses on performing complex mathematical, scientific, and unit-conversion calculations on the desktop. It is built as an open-source project for students, engineers, and scientists. Qalculate! costs nothing to use. Qalculate! is available on Linux.

It is developed by Hanna Knutsson. Key capabilities include unit conversion, symbolic calculations, and plotting.

  • ✓Unit conversion
  • ✓Symbolic calculations
  • ✓Plotting
  • ✓Physical constants
  • ✓Currency conversion

Tags

calculatorunit-convertersymbolic-mathscientific-calculator

Built with & integrations

Runs on
Linux

Trust & compliance

LicenseProprietary
Verified signals
✓ HTTPS✓ Free tier

Recent events

Latest indexed changes and source events

  1. IndexedJul 19, 8:23 PM

    qalculate-qt verified by the PulseGate indexer

    Source: PulseGate indexerOpen ↗

Frequently asked questions about Qalculate!

What does Qalculate! do?
Qalculate! focuses on performing complex mathematical, scientific, and unit-conversion calculations on the desktop. It is catalogued under Lifestyle & Personal on PulseGate.
Who is Qalculate! for?
Qalculate! is an open-source project built for students, engineers, and scientists.
Is Qalculate! free?
Yes — Qalculate! is free to use.
What platforms does Qalculate! run on?
Qalculate! runs on Linux.
Is Qalculate! still maintained?
PulseGate's liveness checks currently classify Qalculate! as active.
What are alternatives to Qalculate!?
Similar tools tracked by PulseGate include Calq, KCalc, and Qalculator.xyz.CalqKCalcQalculator.xyz
Who makes Qalculate!?
Qalculate! is developed by Hanna Knutsson.

At a glance

Platforms
Desktop
Languages
English
First seen
Jul 19, 2026
Activity
🟢 Active
Status
🟢 Active
Built for
Students, engineers, and scientists
Model
Open source
Solves
Performing complex mathematical, scientific, and unit-conversion calculations on the desktop.

Developer

Hanna Knutsson

Live coverage

Confidence
Medium · 70
Indexed
Jul 19, 2026
Lifecycle
Alive
Activity
Active
First seen
Jul 2026
Last seen
2d ago
Identity audit (9)
Entity ID
cmrs8u9t403kylrwgi58y297e
Slug
qalculate-qt-flathub-org
Verification state
Indexed for public listing
Claim / listing state
Unclaimed · listed: yes
Index status
Included in index
Latest evidence snapshot
Jul 19, 2026
Timeline basis
Indexed-at chronology (no inferred launch/funding milestones).
Last updated
Jul 21, 2026
Canonical URL
https://flathub.org/apps/io.github.Qalculate.qalculate-qt

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Other apps tracked under the same category.

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    usecalq.com
  • KCalc
    flathub.org
  • Qalculator.xyz
    microsoft.com
  • Calq
    microsoft.com
  • QDirStat
    flathub.org
  • MPC-QT
    flathub.org