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Last updated on: 2026-06-19
Android Apps > Productivity > Calculator
Calculator icon

Calculator

6.3.6
Appsys
4.20
20,479 reviews
10,000,000+
Downloads
Free

Super easy calculator for editing formulas by using a cursor

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About Calculator

Calculator is a productivity app developed by Appsys.

How many times has Calculator been downloaded?

Calculator has been downloaded 10 million times. In the last 30 days, the app was downloaded 5.6 thousand times.

What is the rating of Calculator?

Calculator is rated 4.20 out of 5 stars, based on 20 thousand ratings.

Is Calculator free?

Calculator is free to download. The APK download size is 8.69 MB. The latest version available is 6.3.6. The last update was on April 29, 2026.

What are the requirements for Calculator?

Calculator requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play September 2013.

Description
This is calculator app that allows you to display and modify formulas. It allows you to enter formulas while checking them, which prevents you from typing incorrectly or making calculation errors. It is also possible to reuse past formulas to change only certain values to calculate them.
 The cursor indicates on the display, and you can tap or press the arrow keys to quickly navigate to where you want to edit. It has a powerful, flexible and intuitive user interface with support for swiping to scroll through formulas and long-tap to copy and paste.

[ Features ]
- Easy operation for editing formulas
- Re-calculation by using history
- Four arithmetic operations, root, percentages, time, tax and parentheses calculations
- Memory, M+, M-, MR, MC
- Scroll up/down lines
- Cut, copy and paste
- Expressions and answer history
- Grouping separator and decimal point
- Various settings (Long tap MENU key)

[ What do you use "Calculator" for ]
- General calculator
- Tax and VAT
- Sales, profit and cost
- Split a payments at restaurant
- Long formulas calculation
- Formula include parenthesis
- Elapsed time, time addition and subtraction, production time, costing from time


[ Four arithmetic operations ]
1 + 2 - 3 × 4 ÷ 5 = 0.6
 
[ Time calculation ]
16:15 - 12:45 = 3:30:00

1.5 × (16:15 - 12:45) = 5:15:00
Press [H:M:S] key for changing value after calculation.
=5.25

[ Root calculation (Long press)]
√( 2 × 2) = 2
 
[ Percentage calculation ]
500 + 20% = 600
500 - 20% = 400
500 × 20% = 100
100 ÷ 500% = 20
 
[ Tax calculation ]
500 Tax+ = 525
525 Tax- = 500
 
[ Parenthesis calculation ]
( 1 + 2 ) × ( 3 + 4 ) = 21
( 1 + 2 ) ( 3 + 4 ) ( 5 + 6 ) = 231
 

[ Display ]
Calculator indicates long expressions on the display. If you may mistake to input expressions, you can correct this expressions easily and quickly using by back space key, arrow keys and C(clear) key.

[ Re-play and history functions ]
Calculator has "Re-play function". It indicates expressions that you inputted in the recently using by △(re-play)key. If you long-press re-play key, expressions history table is available.

[ Last answer and history functions ]
Last answer is that indicates the last calculation result by using Ans key. If you long-press Ans key, a last answer history table is available.

[ Percent calculator ]
If you would like to calculate “20% more $50”, you can input 50+20% and get a result.

[ Tax calculator ]
This calculator can store tax rate in the setting. And you can get price including / excluding tax easily and quickly using by Tax+/Tax- keys.

[ Disclaimer ]
Please note in advance that Appsys is not responsible for any damage or lost profits caused by the use of this software, or any claims from third parties.

Recent changes:
- Updated libraries.
Show more Show less

More data about Calculator

Price Free to download
Total downloads 10 million
Recent downloads 5.6 thousand
Rating 4.20 based on 20 thousand ratings
Ranking Not ranked
Version 6.3.6
APK size 8.69 MB
Number of libraries 17
Designed for Android 4.4+
Suitable for Everyone
Ads Contains ads

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Calculator compared with similar apps

Common keywords of similar apps

Formulas Long Expressions Press Answer Play Tap Keys Quickly Editing Cursor Arrow Scroll Copy Paste Arithmetic Operations Root Parenthesis Easily Table Result Ans Calculator Calculation Tax Key History Time Display Easy Calculate Input Functions

Keywords missing from this app

Calculations App Simple Currency Scientific Math Features Converter Calculators Strong Loan Quick Basic Function Unit Fast Results Mode Free Recent Make Designed Numbers Complex Supports Support Formula Tip Tool Everyday Advanced Offline Calckit Save Dark Perfect Real Percentage Widget

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Google Play Rating history and histogram

Rating history
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14K
1.6K
1.6K
820
2.2K

Downloads over time

Downloads over time
Subscribe to see download velocity and history

Calculator has been downloaded 10 million times. Over the past 30 days, it averaged 190 downloads per day.

Changelog of Calculator

Show changelog

Developer information for Appsys

Appsys

noriyasu.kutsuzawa@appsys.jp

Website

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Comments on Calculator for Android

★★★★☆ Mej Mike · Feb 3, 2021
Wish it had a date calculation feature. For example, 3 Feb 2021 plus 180 days equals ?(what date); e.g., 3 Feb 2021 minus 90 days equals ?(what date); etc.
★★★★★ Muhammad Zeeshan · Jan 13, 2022
It is very friendly to use. This app has made my work so easy subject to calculations, saving my time.
★★★★★ Ali Shah · Apr 26, 2020
Every time he was in the importance to hear that before you get home unless the time
★☆☆☆☆ Mack Abston II · Oct 30, 2020
A calculator app beep boop. You get it, my intro is as useless as you reading a review for a calculator app. Look elsewhere

Google Play Rankings for Calculator

This app is not ranked

Technologies used by Calculator

13 permissions · 17 libraries
Subscribe to see full permission and library details
Simple Math Calculator# icon Simple Math Calculator#
POWER Calculator icon POWER Calculator
Calculator: Easy Calculator icon Calculator: Easy Calculator
Calculator - Floating Widget icon Calculator - Floating Widget
CASIO Style Multi Calculator icon CASIO Style Multi Calculator
Calculator icon Calculator
Calculator: Calculator Pro icon Calculator: Calculator Pro
Calculator (Simple Calculator) icon Calculator (Simple Calculator)

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