Rule of Three - Calculator for Android - Download Free [Latest Version + MOD] 2025

Whats new in Rule of Three v1.1.3

4 things about Rule of Three - Calculator

1. Rule of Three Calculator is tested and optimized for use via VoiceOver and other accessibility features.
2. Simple calculator for the Rule of Three.
3. Supports for both direct proportion and indirect proportion mode.
4. Accessibility should be an important part of every application.

Release date: 2020-09-17
Current version: 1.1.3
File size: 4.87 MB
Developer: Tomas Parizek

How to setup Rule of Three APK:

APK (Android Package Kit) files are the raw files of an Android app. Learn how to install rule-of-three-calculator.apk file on your phone in 4 Simple Steps:

Download the rule-of-three-calculator.apk to your device using any of the download mirrors.
Allow 3rd Party (non playstore) apps on your device: Go to Menu » Settings » Security » . Click "Unknown Sources". You will be prompted to allow your browser or file manager to install APKs.
Locate the rule-of-three-calculator.apk file and click to Install: Read all on-screen prompts and click "Yes" or "No" accordingly.
After installation, the Rule of Three app will appear on the home screen of your device.