# Calculator

> Easy to use, stylish scientific calculator app.

Canonical page: [https://chrome-stats.com/d/apps.r.calculator](https://chrome-stats.com/d/apps.r.calculator)

## Overview

- **ID:** `apps.r.calculator`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Prometheus Interactive LLC
- **Category:** EDUCATION
- **Downloads:** 21,568,879
- **Rating:** 4.45 / 5 (110,385 ratings)
- **Version:** 9.1.3.1
- **Last updated:** 2025-08-19
- **First published:** 2016-01-13
- **Publisher country:** US
- **Size:** 28 MB
- **Data as of:** 2026-09-13
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=apps.r.calculator)
- **Website:** [https://useprometheus.app/calculator](https://useprometheus.app/calculator)
- **Privacy policy:** [https://useprometheus.app/calculator/privacy](https://useprometheus.app/calculator/privacy)

## Description

**Calculator - All-in-One Math Solution**

Calculator is a stylish and easy-to-use scientific calculator app designed for all math enthusiasts. Whether it's basic arithmetic, complex scientific operations, or graphing equations, this app handles it effortlessly. It features a versatile calculator with history tracking, allowing users to review their last 100 calculations along with timestamps.

**Key Features:**
- Scientific calculator performing trigonometric, logarithmic, exponential functions, and more.
- Basic calculator for daily addition, subtraction, multiplication, and division.
- Graphing calculator with real-time visuals and custom function plotting.
- Fraction calculator to reduce, convert, and compute fractions effectively.
- Percentage calculations complemented by simple graphs for financial and statistical insights.
- Supports Wear OS devices for convenience on the go.

This all-in-one math calculator app empowers students, professionals, and anyone interested in mastering mathematics by offering comprehensive tools in a single, user-friendly interface.

## Rankings

- #7,104 — Overall
- #111 — Android wear (Free)
- #124 — Android wear (Gross)
- #145 — Education (Free)
- #7 — calculator

## 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.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `apps.r.calculator.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`

## Review summary

Overall, reviews praise the Calculator for ease of use and solid quality, with many calling it good to very good. The main drawbacks are intrusive, frequent ads—often appearing at startup and hard to close—and occasional slow launch times.

### Pros

- Easy to use and navigate (user-friendly UI)
- Generally high quality and positive performance (rated as good/very good/superb)
- Very good and efficient performance

### Cons

- Excessive/intrusive ads (frequent and disruptive)
- Ads on startup or hard to close
- Slow startup/opening time

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Source: [Chrome-Stats](https://chrome-stats.com/d/apps.r.calculator)