Calculator icon

Calculator

ARITRA BELEL and SHOURYA S GHOSH
Science & Education Tools
Version
1.1.0
Size
17.3 MB
Requires
Android API 21+
4.5 / 5 · 13,194 ratings 72,916 downloads

Updated Nov 9, 2026

Quick answer

A Soft UI Calculator

Supports light, dark and system default theme. Has simple and advnced modes. Stores previously performed operations. Comes with Haptic Feedbacks.

Screenshots

Calculator screenshot 1
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Calculator screenshot 8

What’s new

- Added history section
- Added button press UI effects
- Under the hood improvements

How to install

  1. Download the APK from the button at the top of this page.
  2. Allow “Install unknown apps” for your browser or file manager only, not for every app.
  3. Open the downloaded file and confirm the installation.
  4. If installation fails with “App not installed,” remove an earlier build of the same app first. A signature conflict is the usual cause.

Data safety

  • Every file is checked against its published SHA-256 before it is listed.
  • Files are scanned for malware on every update.
  • The permissions each app requests are listed on its own page.
  • Read the full safety policy for how we test, flag, and delist files.

Frequently asked questions

What is Calculator?
A Soft UI Calculator
Who develops Calculator?
Calculator is developed by ARITRA BELEL and SHOURYA S GHOSH.
Which Android version does Calculator require?
Calculator requires Android API 21 or later.
What is the current version of Calculator?
The synchronized F-Droid version is 1.1.0.
Which license does Calculator use?
The signed F-Droid metadata lists BSD-3-Clause.
Where is the source code for Calculator?
https://github.com/belelaritra/Neumorphic_Calculator

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