BinaryTuts

Free study guides and reference apps for Android

Clear lessons, formula sheets, dictionaries and device guides for students and curious learners. Every app is free and works offline.

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Math and Statistics

Calculus Formulas: Cheat Sheet

Calculus formulas for derivatives, integrals, limits and series, with examples

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Calculus Tips & Tricks: Review

Calculus tips, tricks and shortcuts, plus common mistakes and worked examples

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Geometry Formula: Area, Volume

Geometry formulas for area, volume, triangles and circles, with clear drawings

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Math Formulas

Every math formula with examples: algebra, geometry, trigonometry, calculus

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Math Formulas and Equations

Math formulas and equations from algebra to calculus, with worked examples

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Mathematical Symbols & Meaning

Math symbols with names, meanings, examples and how to read them aloud

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GRE Math Formulas: Quant Prep

GRE math formulas and Quant prep with worked examples and practice questions

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GRE Quantitative Practice

GRE Quant practice questions with step-by-step solutions and test strategies

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Basics of Statistics & Graphs

Basic statistics for beginners: mean, median, graphs, standard deviation & more

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Statistics Course: Learn Stats

Statistics course: learn descriptive stats, probability, tests and regression

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Probability and Statistics

Learn probability and statistics: distributions, Bayes and hypothesis tests

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Science and Engineering

Physics Formulas & Equations

Physics formulas and equations with diagrams, worked examples and SI units

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Physics Dictionary: Terms A–Z

Physics dictionary of 705 terms with clear definitions, SI units and formulas

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Chemistry Notes & Lessons

Chemistry notes to learn chemistry, with diagrams, worked examples and practice

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Chemistry Study Guide & Charts

Chemistry study guide: general chemistry formulas and charts for quick revision

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Chemistry Dictionary A–Z Terms

Chemistry dictionary of 683 terms with clear definitions, formulas and examples

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EEE Electrical Formulas

Electrical and electronics formulas with circuit diagrams and worked examples

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Introductory Circuit: DC & AC

Learn circuit analysis step by step: DC and AC electric circuits with examples

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Data Communication & Networks

Data communication and computer networks course: OSI, TCP/IP, subnetting

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Basic Digital Communication

Digital communication systems: sampling, PCM, modulation, coding and BER

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Programming and Computers

Learn Python Programming

Python tutorial for beginners: 62 lessons, tested examples, diagrams, practice

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C Programming Course: Learn C

Learn C programming step by step: a complete C tutorial for beginners

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C Programming with Examples

C language tutorial with examples: 45 lessons, 82 programs, 130 practice Q&As

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C Programming Code: C Programs

C programs with output: 82 tested C programming examples, clearly explained

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Computer Basic: Learn Computer

Learn computer basics step by step: hardware, Windows 11, Mac, files and safety

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Internet Tutorial: The Basics

Internet basics for beginners: Wi-Fi, getting online, email and staying safe

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Web Browser Tutorials: Guide

How to use Chrome, Safari, Edge and Firefox: tabs, privacy and online safety

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Prompts for ChatGPT: AI Guide

183 ChatGPT prompts and a clear guide to writing better AI prompts

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Business and Economics

Accounting Notes: Learn Basics

Learn accounting basics: debit and credit, journal entries, ratios and practice

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Basic Accounting Concepts

Accounting concepts, principles, terms and ratio formulas, explained simply

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Financial Accounting Course

Learn financial accounting: journal, ledger, trial balance and final accounts

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Managerial Accounting: Costing

Learn managerial and cost accounting: CVP, budgets, variances, NPV and practice

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Economics: Learn Micro & Macro

Learn economics: microeconomics and macroeconomics with graphs and practice

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Management Notes: Principles

Principles of management notes: theories, diagrams and practice questions

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English Language

Common Grammar Mistakes

Fix common English grammar mistakes: clear rules, examples and practice quizzes

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Punctuation Rules in English

Learn English punctuation: commas, apostrophes, quotes and dashes, with quizzes

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Prefixes Suffixes & Root Words

Learn English prefixes, suffixes and root words to grow your vocabulary

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Abbreviations & Acronyms

Over 1,000 English abbreviations and acronyms: full forms, meanings and usage

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800 GRE Words: Vocabulary Prep

GRE vocabulary prep: 822 GRE words with definitions, examples and quizzes

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Device Guides (unofficial)

User Guide for Galaxy Watch 4

Unofficial Galaxy Watch4 and Watch4 Classic user manual, plus newer models

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Guide for Galaxy Watch Active2

Unofficial Galaxy Watch Active 2 guide: setup, Health, Bixby, Pay and fixes

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Mi Band Guide: Smart Band 11

Unofficial Xiaomi Smart Band 11, 10, 10 Pro and Mi Band 4 guide: setup and fixes

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Mi Watch Guide: REDMI Watch 6

Unofficial guide to REDMI Watch 6, 6 Lite, 6 Active, Xiaomi Watch 5 and S5

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Amazfit Bip Guide: Bip 6 & Max

Unofficial Amazfit Bip 6, Bip Max and Bip 5 guide: setup, Zepp app and fixes

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Fitbit Versa 4 Guide: Manual

Unofficial Fitbit Versa 4 manual: setup, health, fixes and Google Health app

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Moto Watch 100 User Guide

Unofficial Moto Watch 100 guide: setup, buttons, health tracking and fixes

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Echo Show Guide: User Manual

Unofficial Echo Show user manual: setup, Alexa+, camera, smart home and fixes

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Smart Speaker Voice Commands

Unofficial guide to Alexa, Google Nest and HomePod voice commands for 2026

Get it on Google Play