Calculator
5 Oct 2026
About Calculator
Easy to use, stylish scientific calculator app.
The Android app "Calculator" by Prometheus Interactive LLC is a user-friendly scientific calculator designed for Indian mobile users. This stylish app allows you to perform simple and complex math tasks with ease. You can choose from various color options to personalize your calculator. It includes features such as real-time graphing, base conversion, memory, and more. With advanced operators and functions at your fingertips, you can perform calculations like trigonometric, logarithmic, and exponential functions. Additionally, you can save and modify values in the calculator memory, view your past 100 expressions and results, and even perform basic operations on the go with Wear OS. This app is perfect for students, professionals, and anyone who needs a reliable calculator on their mobile device.
Calculator allows you to perform simple and complex math tasks in a beautifully designed application. It includes history, real time graphing, base conversion, memory and more.
• Choose the best color for you from several options: amber, orange, deep orange, red, pink, purple, deep purple, indigo, blue, light blue, cyan, teal, green, light green and lime
• Perform simple calculations such as addition, subtraction, multiplication, and division
• Do scientific operations such as trigonometric, logarithmic and exponential functions
• Define your own function
• Convert between binary, octal, decimal and hexadecimal numeral systems
• Handling complex numbers such as √−2
• Real time graphing
• Save and modify values in the calculator memory
• See the list of your past 100 expressions and results with their dates
• Perform basic operation on the go with Wear OS
Tips:
• To use advanced operators and functions, swipe to the left the colored bar on the right side or hold your device sideways
• To call the graph panel, enter your expression with X
• To see your history, swipe down from the display
• To see the date of a past calculation, long click on the one you want
• To remove a past calculation from the list, swipe it right or left
• Go into the settings and choose the "Help" option for further instructions
The source code was forked from the AOSP platform package.
What's new in the latest version
Last updated on 5 Oct 2026
- Addressed minor bugs across multiple screens - Minor layout improvements - General performance improvements for a smoother experience
Screenshots
Calculator APK Information
- Latest Version
- Varies with device
- Category
- Education
- Android OS
- Varies with device
- File Size
- Varies with device
- Developer
- Prometheus Interactive LLC
- Available on
- Google Play
- Content Rating
- Rated for 3+
- Updated
- 5 Oct 2026
- Package Name
- apps.r.calculator
- Installs
- 10,000,000+
- In-app Purchases
- ₹90.00 – ₹9,000.00 per item
- Price
- Free
- Feedback
- Flag as inappropriate
Calculator FAQ
How do I download Calculator for Android?
Tap "Download from Google Play" to install the official version of Calculator on your phone. It is free to open the store page.
How do I install an APK or XAPK file?
Allow "Install unknown apps" for your browser or file manager, open the downloaded file and tap Install. XAPK files need an XAPK installer. See our install guide for step-by-step help.
What Android version does Calculator need?
It varies with your device. Google Play shows whether your phone is supported.
How do I update Calculator to the latest version?
If you installed it from Google Play, updates arrive automatically. For APK files, download the newer version from this page and install it over the old one.
