# calc-extension

> Calculate values of mathematical expressions

Canonical page: [https://chrome-stats.com/d/calc-extension](https://chrome-stats.com/d/calc-extension)

## Overview

- **ID:** `calc-extension`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Martin Väth
- **Category:** other
- **Daily users:** 32
- **Weekly downloads:** 1
- **Rating:** 5.00 / 5 (3 ratings)
- **Version:** 5.4resigned1
- **Last updated:** 2024-04-25
- **First published:** 2018-02-17
- **Size:** 50 KB
- **Data as of:** 2026-09-09
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/calc-extension/)
- **Website:** [https://github.com/vaeth/calc-extension/](https://github.com/vaeth/calc-extension/)

## Description

calc-extension is a Firefox add-on that provides a convenient way to calculate values of mathematical expressions. It supports different syntaxes and functions, making it useful for mathematicians, programmers, and daily browser users. With features such as session saving and exporting to clipboard, calc-extension aims to meet the needs of all users.

## Rankings

- #19,726 — Overall
- #58 — value
- #135 — programmer
- #216 — extension guard
- #222 — extension

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Low risk likelihood

### Analysis details

- This extension has low user count. Unpopular extensions may not be stable or safe.

> Some risk analysis details are omitted from this free response. [Upgrade to view the full analysis](https://chrome-stats.com/pricing).

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Source: [Chrome-Stats](https://chrome-stats.com/d/calc-extension)