# Calculator ++

> Free scientific calculator with sleek interface and powerful capabilities

Canonical page: [https://chrome-stats.com/d/org.solovyev.android.calculator](https://chrome-stats.com/d/org.solovyev.android.calculator)

## Overview

- **ID:** `org.solovyev.android.calculator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Sergey Solovyev
- **Category:** TOOLS
- **Downloads:** 2,360,401
- **Rating:** 4.67 / 5 (35,781 ratings)
- **Version:** 2.3.6
- **Last updated:** 2024-11-29
- **First published:** 2011-10-16
- **Publisher country:** SE
- **Size:** 5.96 MB
- **Data as of:** 2026-09-19
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=org.solovyev.android.calculator)
- **Website:** [http://se.solovyev.org](http://se.solovyev.org/)
- **Privacy policy:** [https://serso.github.io/privacy/cpp](https://serso.github.io/privacy/cpp)

## Description

Calculator ++ is a versatile and user-friendly scientific calculator app designed to help users solve both simple and complex mathematical problems efficiently. Featuring an intuitive interface, it supports gestures for quick access to functions and automatically calculates results without pressing "=". It includes both standard and engineer layouts, customizable themes, and a home screen widget for convenience.

This powerful calculator allows you to perform calculations with variables, constants, complex numbers, fractions, and even differentiate and integrate expressions. Additionally, Calculator ++ supports 2D and 3D graph plotting with multiple functions displayed simultaneously. The app works in a floating window mode over other applications, enhancing multitasking on your device. Designed for Android 2.2 and above, it is open source and ad-supported, with an option to remove ads via in-app purchase.

## Rankings

- #40,735 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.SYSTEM_ALERT_WINDOW`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.android.vending.BILLING`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `org.solovyev.android.calculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Users praise Calculator ++ as a long‑standing, feature‑rich calculator with strong engineering and graphing capabilities, and a convenient swipe-based UI. Longevity and reliability are commonly cited, along with customization options. The primary recurring downside is the presence of ads, which some users find intrusive and prefer an ad-free experience. Some reviewers also note the app’s strong performance keeps them returning over years. Overall, it’s a top pick, with improvements suggested around help/documentation and future customization.

### Pros

- Very long-time reliability and trust; many users have been using it for years and consider it among the best calculator apps.
- Rich feature set for engineering/science with shortcuts, parenthesized expressions, and engineering mode.
- Graphing calculator capabilities; widely praised as best.
- Swipe-based UI/navigation that makes it easy to access functions quickly.
- Customizable layout and ease of use; capable of prioritizing most-used functions.

### Cons

- Ads in the app are a frequent complaint, with reviewers noting advertising is intrusive.

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Source: [Chrome-Stats](https://chrome-stats.com/d/org.solovyev.android.calculator)