RealCalc

Download RealCalc APK

uk.co.nickfines.RealCalc · by Quartic Software

Productivity Quartic Software
Latest Version: 3.1.1 • Updated: Mar 20, 2026
Download RealCalc APK
v3.1.1 · APK

About RealCalc

RealCalc Scientific Calculator is one of Android's most popular scientific calculators. It has over 20 million downloads and more than 100,000 5* reviews. RealCalc is designed to look and operate exactly like a real hand-held calculator. It has all the standard scientific functions plus history, memories, unit conversions and constants. You can choose from a number of display styles and formats. It also supports binary, octal and hexadecimal calculations and has an optional RPN mode. RealCalc is easy to use, but has full help included in the app. If you like RealCalc, the pro version RealCalc Plus has lots of extra features including fractions, degrees/minutes/seconds, customizable conversions and constants, landscape mode, a home-screen widget, a 12-digit display and greater internal precision. Purchasing RealCalc Plus will also help to support further development. Just search for RealCalc Plus or follow the upgrade link in the app. RealCalc Scientific Calculator includes the following features: * Traditional algebraic or RPN operation * Unit conversions * Physical constants table * Percentages * Result history * 10 memories * Binary, octal, and hexadecimal (can be enabled in Settings) * Trig functions in degrees, radians or grads * Scientific, engineering and fixed-point display modes * 7-segment, dot-matrix or standard font display * Configurable digit grouping and decimal point * External keyboard support * Full built-in help RealCalc Plus contains all these features, plus: * Fraction calculations and conversion to/from decimal * Degrees/minutes/seconds calculations and conversion * Landscape mode * Homescreen widget (now with RPN support) * 12-digit display * Extended internal precision (32-digit) * User-customizable unit conversions and constants * New RPN styles (buffered-entry, XYZT rolling stack) * Multi-window support with drag & drop.

All RealCalc APK versions

3.1.1
May 30, 2026
1 variant

Frequently Asked Questions

Yes. Every RealCalc APK on APK.now is automatically scanned and the cryptographic signature is verified against the original publisher's certificate (Quartic Software). Files that fail verification are removed before they ever reach the catalog.

Enable 'Install from unknown sources' for your browser (or the file manager you use to open the APK) under Settings → Apps → Special access. Tap the downloaded RealCalc APK, confirm the prompts, and Android installs it just like any app from the Play Store.

The latest RealCalc version available on APK.now is 3.1.1. We track new releases from Quartic Software continuously and add them to the catalog as soon as they pass verification.

Yes — every RealCalc APK and every version on APK.now is free to download. We never gate downloads behind sign-up, surveys, or paywalls.

APK.now keeps a full archive of every RealCalc release, including older versions that the Play Store has already replaced. The APKs work on devices without Google Play Services (Huawei, GrapheneOS, Amazon Fire) and are signature-verified so you can be confident the file is genuine.