Calculator: Simple Calculator

Calculator APK is a free tools app for Android by Efficient Tools. Calculator: All-in-one Calculator for Percentage, Tip, Loan + Unit, Currency etc. On this page you can get the latest version 1.4.0, read what it offers and follow a simple install guide.

What Is Calculator APK?

Calculator belongs to the Tools category and is built by Efficient Tools. It has already reached 50,000,000+ installs on Google Play with an average rating of 4.3/5 from 131,926 ratings, which shows how many people rely on it every day.

Your perfect Android calculator app for quick and easy calculations on all occasions! What makes us a helpful Android calculator that distinguishes from other free calculators:

🔢 Basic & Scientific Calculator Master the 4 basic offline calculator operations: square, roots, parentheses, and percentages.

Downloading the Calculator APK file lets you install the app directly, update it on your own schedule and keep a backup of the version that works best on your phone.

Key Features of Calculator APK

• Perform a wide range of scientific calculations: log, ln, √, sin, cos, tan, etc., all through our free calculator.
• We even optimize it to serve as a calculator for Google.
• Move the cursor anywhere for equation editing and copying, making it a really simple calculator.
• Simplify your math with the convenient interface particularly designed for Android calculator users.
• Tailor your calculation precision from 0 to 10 decimal places.
• You can pick calculations up from the offline calculator history at ease, even if you accidentally close the app.

Calculator App Information

How to Download and Install Calculator APK

1. Scroll to the download button on this page and tap it to save the Calculator APK file.
2. Open Settings on your phone and allow installs from your browser or file manager when asked.
3. Open the downloaded file and tap Install.
4. Wait a few seconds, then tap Open to start Calculator.
5. Switch the unknown-sources permission back off to keep your phone protected.

What’s New in Calculator 1.4.0

This build brings general fixes, stability work and small improvements from Efficient Tools. The listing was last updated on October 20, 2026.

Tips for the Best Experience with Calculator

• Keep at least 500 MB of free storage so Calculator can install and update smoothly.
• Use a stable Wi-Fi connection when you download the file or open the app for the first time.
• Grant only the permissions that Calculator really needs and review them from time to time.
• Restart your phone after a big update if the app feels slow or freezes.

Device compatibility

Calculator works on phones and tablets running Android 8.0 or higher. Older devices may run it a little slower, so close background apps if you notice lag.

Is Calculator APK Safe to Use?

Calculator is the same app that is published on the official Google Play listing. Always download from a source you trust, keep your phone updated and scan files with a security app if you are unsure.

Looking for something similar? Browse our Tools apps or discover more free Android apps.

Calculator FAQ: Common Questions Answered

Is Calculator APK free to download?

Yes. Calculator is free to download and use. Some features may offer optional in-app purchases.

What is the latest version of Calculator?

The latest version listed here is 1.4.0. It was last updated on October 20, 2026.

Which Android version does Calculator need?

Calculator needs Android 8.0 or newer to run properly.

How do I update Calculator?

Come back to this page for the newest file, download it and install it over the old version. Your data stays in place.

Final Thoughts on Calculator

If you want a reliable tools app, Calculator APK is worth installing. Use the button above to get version 1.4.0 and enjoy everything Calculator has to offer.

 

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