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NerdCalci

NerdCalci is a free, open-source utility app for Android. Calculator for nerds with variables, syntax highlighting, and file sessions. It has 229 GitHub stars and is released under the GPL-3.0-or-later license, and you can install it from F-Droid and Google Play.

github.com/vishaltelangre/NerdCalci (opens in a new tab)

Data as of from the GitHub API and the F-Droid index; description from the project's repository or F-Droid listing. Report an error

Get it on F-Droid (opens in a new tab)Google Play (opens in a new tab)View on GitHub (opens in a new tab)

About NerdCalci

NerdCalci is a powerful calculator designed for nerds and power users who need more than basic arithmetic. Features: - Offline - Works without internet - Variable support - Define variables and reuse them in calculations - Percentage calculations - Natural syntax like "20% of 50000" or "15% off 1000" - Unit conversions - Natural syntax like "10 m in feet" or "100 kmph to mph" - Calendar-aware date and time engine with timezone support - Custom functions - Define your own functions with multi-statement support and scope isolation - Dynamic variables - Quickly compute block sums (total) and averages (avg) - Syntax highlighting - Color-coded numbers, variables, operators, and comments - Smart…

Privacy and F-Droid

F-Droid builds NerdCalci from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

Screenshots

  • NerdCalci screenshot 1
  • NerdCalci screenshot 2
  • NerdCalci screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

NerdCalci FAQ

Still curious? Email info@appsgit.com.

Is NerdCalci free and open source?

Yes. NerdCalci's source code is public on GitHub under the GPL-3.0-or-later license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install NerdCalci?

You can install NerdCalci from F-Droid (package com.vishaltelangre.nerdcalci) and from Google Play; the links are on this page. Its GitHub repository also publishes releases (latest: v4.9.8).

Is NerdCalci still maintained?

The repository's most recent commit was on Oct 11, 2026. Its F-Droid listing was last updated on Oct 14, 2026. appsgit only lists apps whose repository had a commit in the last six months.