Every formula you need — for your level, in your pocket.
342 math and science formulas with the meaning and unit of every symbol, worked examples, fill-in-the-blank practice and timed quizzes. Pick your level once and the whole app adjusts — from ages 11 to university.
Free • Android • Math, Physics, Chemistry, Biology & Higher Math
Five subjects, one library
From basic arithmetic to quantum physics — organised into chapters, and filtered to the level you pick.
- 342
- formulas
- 57
- chapters
- 5
- subjects
- 4
- levels
Math
Arithmetic to calculus
115 formulas · 19 chapters
Physics
Motion, energy, fields
80 formulas · 12 chapters
Chemistry
Matter, moles, reactions
72 formulas · 12 chapters
Biology
Cells, genetics, ecology
54 formulas · 10 chapters
Higher Math
3D geometry & numerical methods
21 formulas · 4 chapters
Counts shown are the full library at University level. Lower levels see a filtered slice of the same content.
Built for every curriculum
Levels are named by age band, not by one country's exams. Pick yours on first launch and change it whenever you like — a 14-year-old sees what their exams actually cover, an engineering student sees Laplace transforms and linear algebra.
Ages 11 – 13
Arithmetic, shapes and first algebra
Middle School · Key Stage 3 · Class 6–8
67 formulas · 12 chapters
Ages 14 – 16
Core formulas for school-leaving exams
GCSE · IGCSE · SSC · Year 10 · O-Level
170 formulas · 27 chapters
Ages 16 – 18
Pre-university maths and sciences
A-Level · IB Diploma · HSC · High School Senior
252 formulas · 40 chapters
Ages 18+
Calculus, linear algebra, Laplace and beyond
Bachelor · Engineering · College
342 formulas · 57 chapters
Levels are cumulative — each one includes everything below it. Chapters above your level still show in a subject, locked, with the level that unlocks them.
More than a formula sheet
Every entry tells you what the symbols mean, what units they are in, and how the formula is used.
Proper maths notation
Every formula rendered in real LaTeX, with a plain-text fallback you can switch to any time.
Symbols and units explained
Each variable listed with what it means and the unit it is measured in — no guessing what ρ or λ stands for.
Worked examples
Step-by-step solutions on the formulas that need them, so you see the method, not just the result.
Related formulas linked
One lookup leads to the next — every formula points at the others it connects to at your level.
Search and bookmarks
Search names, topics and tags across the whole library, and star anything to find it again in one tap.
Daily formula reminder
One formula a day at a time you choose, picked from your level. Optional — off until you turn it on.
Learn it, don't just look it up
Practice and quizzes are built from the same library you are reading, so they always match your level — and they run with no connection.
Practice mode
One symbol is blanked out of a formula and you pick it from four options, with the explanation shown straight after. Track correct, attempts and accuracy as you go.
Timed quizzes
Choose all subjects or one chapter, easy/medium/hard/mixed, 5–20 questions, and 15s, 30s, 60s or no limit per question.
Review and weak areas
After every quiz you can walk through each answer, and the topics you got wrong are collected into a weak-areas list to revisit.
Progress & achievements
Day streak with a personal best, formulas read per subject, average quiz score, full quiz history and six achievements to unlock.
A look inside
Five tabs — Home, Bookmarks, Practice, Quiz and Progress — in dark or light, or following your system theme.
Home
Formula of the day, your streak and every subject at a glance.
Formula detail
Notation, variables, units, description and worked examples.
Quiz setup
Subject, chapter, difficulty, length and time per question.
Practice
Fill in the missing variable, one formula at a time.
Progress
Streaks, per-subject coverage, quiz history and achievements.
Home
Formula of the day, your streak and every subject at a glance.
Formula detail
Notation, variables, units, description and worked examples.
Quiz setup
Subject, chapter, difficulty, length and time per question.
Practice
Fill in the missing variable, one formula at a time.
Progress
Streaks, per-subject coverage, quiz history and achievements.
Nothing leaves your device
Formula Hub has no servers to talk to. The entire library ships inside the app, and everything you do with it stays on your phone.
Read the Privacy Policy →- ✓ No account, no sign-in, no profile
- ✓ No analytics, no crash reporting, no ads in 1.0
- ✓ Bookmarks, quizzes and streaks stored on-device only
- ✓ No camera, location, contacts or storage permission
Frequently asked
Get Formula Hub
342 formulas, worked examples, practice and quizzes — free on Android, and fully offline.
Version 1.0.0 — free, no account, no ads.