# Simple Calculator

> A simple calculator accessible from the toolbar button.

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

## Overview

- **ID:** `simple-calc`
- **Platform:** Firefox
- **Type:** Firefox add-on
- **Status:** Available
- **Publisher:** Ruby1337
- **Category:** other
- **Daily users:** 1
- **Version:** 1.0
- **Last updated:** 2025-04-29
- **First published:** 2025-04-26
- **Size:** 16 KB
- **Data as of:** 2026-09-06
- **Store listing:** [Firefox Add-ons Store](https://addons.mozilla.org/firefox/addon/simple-calc/)

## Description

<strong>Simple Calculator</strong>

Access a clean and convenient calculator directly from your Firefox toolbar! This extension provides a straightforward calculator popup for your quick calculation needs without interrupting your browsing flow.

<strong>Features:</strong>
<ul><li><strong>Easy Access:</strong> Click the calculator icon in your toolbar to open it anytime.</li><li><strong>Essential Operations:</strong> Perform addition (<code>+</code>), subtraction (<code>-</code>), multiplication (<code>*</code>), and division (<code>/</code>).</li><li><strong>Calculation History:</strong> Keep track of your recent calculations right in the popup. Your history is automatically saved locally and persists between browser sessions using <code>browser.storage</code>.</li><li><strong>Keyboard Friendly:</strong> Use your keyboard for faster input:<ul><li>Numbers <code>0-9</code></li><li>Operators <code>+</code>, <code>-</code>, <code>*</code>, <code>/</code></li><li>Decimal point <code>.</code></li><li>Calculate <code>Enter</code> or <code>=</code></li><li>Clear <code>Escape</code>, <code>Backspace</code>, or <code>c</code></li></ul></li><li><strong>Modern &amp; Clean UI:</strong> Features a clear, responsive design that integrates nicely with the Firefox interface.</li><li><strong>Handles Long Numbers:</strong> The display automatically wraps text to accommodate longer inputs or results.</li></ul>
Perfect for those moments when you need to do some quick math without leaving your current web page!

## Rankings

- #105,645 — Overall
- #119 — calculator
- #163 — calculus

## Permissions and access

### Permissions

- `storage`

## Safety

- **Risk impact:** Very low risk impact
- **Risk likelihood:** Moderate 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/simple-calc)