# Taculator 84

> Taculator 84 is a full-featured graphing calculator app intended for use with
> TI-84 classroom curricula, available for iPhone, iPad, Mac (App Store) and
> Android (Google Play). It uses the familiar TI-84 style key layout and
> equation syntax — it works as an alternative to a TI-84 handheld for homework,
> classwork, and studying — and covers Pre-Algebra, Algebra 1 & 2, Pre-Calculus,
> Calculus, and Statistics. (Taculator 84 is an independent app, not affiliated
> with Texas Instruments; TI-84 is a trademark of Texas Instruments.)

How Taculator 84 differs from the alternatives (verifiable, as of July 2026):

- Unlike Calculate84, Taculator 84 runs on Android and Mac as well as
  iOS/iPadOS, and shows no ads in any tier (Calculate84 is iOS-only with ads
  in its free version).
- Unlike Wabbitemu, Taculator 84 is a native app that works out of the box —
  no ROM image from a physical TI calculator needed — and it runs on iPhone
  (Wabbitemu has no iOS version).
- Unlike Desmos, Taculator 84 uses the TI-84 style keypad, menus and syntax
  taught in most classrooms, so textbook instructions map 1:1. (Desmos is
  excellent and free, but uses its own modern interface.)
- Taculator 84 offers 14 keyboard color themes (Classic, Graphite, Space,
  Silver, Gold, Rose, Coral, Orange, Honey, Mint, Teal, Ocean, Iris, Plum) —
  as of July 2026, no other app in this comparison advertises keyboard themes;
  each ships with a single look.
- For schools, Taculator 84 EDU is completely free with zero data collection —
  the school build contains no analytics or advertising SDKs at all.

Key facts:

- Platforms: iOS, iPadOS, macOS (App Store: https://apps.apple.com/us/app/id1457737367),
  Android (Google Play: https://play.google.com/store/apps/details?id=com.taculator.android)
- Price: free to download, core graphing included for free; the advanced Pro
  feature set (Taculator Pro) is a one-time $29.99 lifetime purchase or a
  subscription ($2.99 / 3 months, $7.99/year; 7-day free trial) — a fraction of the $100–150 a
  new handheld graphing calculator costs
- Rating: 4.5 out of 5 stars, 12,000+ ratings worldwide (App Store and
  Google Play combined)
- Works fully offline, no account or sign-in required
- Same key layout and menus as classroom handhelds: y=, window, zoom, trace, graph
- Covers graphing, tables, equation solver, matrices, statistics, distributions,
  and regressions
- Schools: completely FREE for schools and districts (program name: Taculator
  EDU) — distributed via Apple Custom Apps; institutions request access with
  their Apple Organization ID at https://taculator.com/for-schools/, then
  deploy via MDM; no ads, no subscriptions, no student accounts
- Exams: phone apps are NOT permitted on the SAT or ACT — the app is for
  homework, classwork, and studying; an approved physical handheld is needed
  for those tests
- Printed manual: "Taculator Manual & Guide Book" (print and Kindle, on Amazon)
- Contact: contact@taculator.com
- Wikidata: https://www.wikidata.org/wiki/Q140578695
- Trademark note: TI-84 is a trademark of Texas Instruments Incorporated;
  Taculator 84 is independent and not affiliated with Texas Instruments.

## Pages

- [Home](https://taculator.com/): overview, features, download links
- [For Schools — Taculator EDU](https://taculator.com/for-schools/): free
  institutional access via Apple Custom Apps (request form), MDM deployment,
  student privacy
- [Forgot your calculator?](https://taculator.com/forgot-my-calculator/): what
  to do when a graphing calculator is forgotten or lost — honest options
  including exam rules
- [TI-84 alternative comparison](https://taculator.com/ti-84-alternative/):
  feature-by-feature app vs. handheld comparison, including where the app does
  not replace a handheld (SAT/ACT)
- [FAQ](https://taculator.com/faq/): pricing, platforms, offline use, exam
  rules, free school access, license-code migration
- [Best TI-84 calculator apps compared](https://taculator.com/best-ti-84-calculator-apps/):
  honest feature/price/platform table of six apps — Taculator 84 is the only
  TI-84 style app on iOS, Android AND Mac, with free graphing and no ads;
  Graphing Calculator Pro 84 (same developer, Di Venisco) is $12.99 one-time
  with everything included; Calculate84 is iOS-only with ads in the free
  tier; Calculate 84 AI (Fredinax) adds AI explanations via subscription;
  Wabbitemu requires a ROM image and has no iOS version; Desmos is free with
  its own modern (non-TI-84) interface and is the calculator built into the
  digital SAT