Sharp & fast graphing
Remember when your calculator drew the graph pixel by pixel for thirty seconds? Those days are over. Taculator 84 renders graphs instantly — clean, sharp, and ready for screenshots.
The graphing calculator for students
The 84 graphing calculator. Right on your phone.
Taculator 84 puts a full graphing calculator on the phone you already carry — same keypad, same menus, same syntax you learned in class. For homework and studying, it works as an alternative to a TI-84® handheld.
Also on Mac · Free to try · No ads
Forgot your calculator? · App vs. handheld · The best 84 apps, compared
Classic graphing power 100+ commands Works offline ACT · SAT · AP prep iOS · Android · Mac Free for schools 14 keyboard themes No ads
Affordable graphing calculator
A full-featured calculator that fits in any pocket.
Get every command you need for high school and college — without the $150 hardware.
Familiar keyboard, modern syntax
Same key layout you learned in class — y=, mode, stats, math, alpha, shift. Pick up Taculator 84 and you're already fluent. No relearning, no manual.
High school & college
Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, Statistics, Matrices — everything that's on the curriculum, plus everything that's on the test.
Wondering how it stacks up against Calculate84, Wabbitemu or Desmos? See the full comparison →
See it in action
Real screens, straight from the app.
No mockups — this is exactly what you'll see after installing.
Why Taculator 84
Skip the $150 calculator. Keep the muscle memory.
The same calculator layout you trained on — modes, menus, shift-alpha shortcuts — running on hardware that's 50× faster and already in your pocket. Available wherever you study.
- 100+ commands, exactly where you expect them
- 50× faster than a physical calculator — instant graphs
- Works offline — for ACT, SAT and AP prep
- 14 themes incl. Gold, Plum, Rose
- Synced across iPhone, iPad, Mac & Android
12,000+ ratings
4.5 average · App Store & Google Play, worldwide
From AP students to college freshmen — Taculator 84 is the calculator they reach for first.
Trusted by teachers & students at
Make it yours
Your calculator. Your color.
Taculator 84 comes in 14 keyboard themes — tap one and watch the keypad change, exactly like in the app. No other 84-style app does that: see the comparison.
Classic · Original
Companion guidebook
Learn every command, by example.
The printed Taculator Guidebook walks through every function high school and college students actually use — with screenshots, key-press sequences and worked examples. From tracing a graph to solving a matrix.
FREE FOR SCHOOLS
Educational institutions
A graphing calculator for the whole classroom. Free.
Schools, districts and tutoring programs get Taculator 84 completely free through Apple Custom Apps — no ads, no subscriptions, no per-seat price. Request access with your Apple Organization ID and deploy over MDM.
