About Taculator 84 Graphing Calc
Taculator 84 Graphing Calculator A graphing calculator intended for use with TI-84 Plus CE, TI-84 Evo and TI-83 on Android. • Your graphing calculator 84 for high school and college students. • All the commands you k
Taculator 84 Graphing Calculator
A graphing calculator intended for use with TI-84 Plus CE, TI-84 Evo and TI-83 on Android.
• Your graphing calculator 84 for high school and college students.
• All the commands you know: advanced math, lists, statistics, distributions, stat plots.
• Math calculator for Pre-Algebra, Algebra 1 & 2, Pre-Calculus, Calculus, Statistics, SAT & ACT prep.
Built for your phone
• Fast: uses the full power of your phone.
• High-resolution graphing window with sharp, clear graphs.
• Icon home screen and redesigned menus.
• Nothing to set up: install and start calculating.
• Share calculations by text or email.
Math Functions
• Scientific calculator with every basic and advanced function.
• Scrollable history with copy.
• Complex numbers, a+bi or polar.
• Probability: nPr, nCr, factorial, random numbers.
• Enter fractions easily; exact answers as n/d or Un/d.
• Piecewise functions, list arithmetic, seq(, ΔList(, augment(.
• Degree, radian, gradian, DMS.
Graphing Functions
• Four modes: Function, Parametric, Polar and Sequence, with trace, tables, CALC and zoom in every mode.
• Smart trace snaps to zeros, maxima, minima, intersections, asymptotes.
• CALC: intersection, zero, minimum, maximum, integral, derivative.
• ZOOM: ZBox, ZSquare, ZTrig, ZoomFit.
• Draw on graphs: text, pen, points, tangents, circles, shading.
• Split screen: graph and table together.
• Statistical plots: histogram, box plot, scatter plot, xy-line.
Lists, Statistics and Distributions
• Stat list editor with 1- and 2-Variable statistics.
• Input wizards for tests, intervals, distributions.
• List math: min, max, mean, median, sum, product, standard deviation, variance.
• Regressions: LinReg (ax+b), LinReg (a+bx), QuadReg, CubicReg, QuartReg, LnReg, ExpReg, PwrReg, Logistic, SinReg.
• Tests: Z-Test, T-Test, 2-Sample Z- and T-Tests, 1- and 2-PropZTest, χ² tests, ANOVA, Z- and T-intervals.
• Distributions: Normal, T, χ², F, Poisson, Binomial, Geometric (pdf and cdf), invT, shaded on the graph.
Catalog and Syntax Help
• Catalog with syntax, examples and error messages for every function.
• Type a command and see its syntax right at the cursor.
Built-in Apps
• Finance: TVM solver, NPV, IRR, amortization.
• Polynomial Root Finder and Simultaneous Equation Solver.
• Conics: circles, parabolas, ellipses, hyperbolas with SOLVE for center, foci, vertices, directrix.
• Transformation and Inequality Graphing.
• Numeric Solver for any equation.
Matrix Calculator
• Store matrices as [A], [B], [C], ...
• Addition, multiplication, scalars, powers.
• Transpose, determinant, inverse, ref/rref, row operations, identity.
Made for
• Students who want a graphing calculator app on Android.
• SAT, ACT, AP Calculus and AP Statistics prep.
• Users coming from a TI-84 Plus, TI-83 Plus, or TI84 Evo.
• Teachers, students and engineers.
One-time lifetime purchase, no subscription needed: Taculator Pro unlocks the advanced functions.
Support: contact@taculator.com
TI-84 and TI-83 model names are trademarks of Texas Instruments. Taculator is an independent app, not affiliated with or endorsed by Texas Instruments.
Terms of Service: https://taculator.com/terms/
Privacy Policy: https://taculator.com/privacy/
Previous Versions
Here you can find the changelog of Taculator 84 Graphing Calc since it was posted on our website on 2021-10-11 18:43:29.
The latest version is 2.2.1 and it was updated on 2026-10-10 17:09:26. See below the changes in each version.
Taculator 84 Graphing Calc version 2.2.1
Updated At: 2026-09-25
Changes: This update fixes several crashes and makes the app start faster.
• Fixed: a history line containing e could stop the app from starting
• Fixed: rarer crashes in menus, tabs, list and matrix editors
• Smoother keypad, no more frozen frames
• Matrix editor: an invalid entry shows an error instead of being dropped
Also in Version 2: TI-BASIC programs with .8xp import, Chromebook and keyboard support, redesigned menus, faster math entry.
Intended for use with TI-84 Plus graphing calculator.
Taculator 84 Graphing Calc version 2.2.0
Updated At: 2026-09-23
Changes: Taculator 84 Version 2: graphing calculator for Android, intended for use with TI 84, TI84 Plus & TI Nspire CAS.
• TI-BASIC programs: write, import .8xp files, run
• Chromebook full screen & physical keyboard support
• Full math suite: graphing, tables, regressions, stats tests, matrices, piecewise, exact fractions
• Redesigned menu layout and faster math entry
• One-time lifetime purchase, no subscription needed
Built for TI-84 users in algebra, calculus, statistics, SAT & ACT prep.
Taculator 84 Graphing Calc version 2.1.0
Updated At: 2026-09-16
Changes: PROGRAMS
• Press PRGM to write and run TI-BASIC programs
• Built-in editor with a toolbar for Lbl, Goto, If, For and more
• Import .8xp files and run them with Input, Menu and Pause
• Programs share variables, lists and Ans with the home screen
CHROMEBOOK AND KEYBOARDS
• Type on a physical keyboard, hold Shift for the 2nd layer
• Type the first letters of a command and pick it from the list
GRAPHING UPDATES
• New ZOOM names, math templates, alpha + enter for decimals, quick zoom
Taculator 84 Graphing Calc version 2.0.0
Updated At: 2026-09-11
Changes: FOUR WAYS TO GRAPH
• Polar, Parametric and Sequence modes join Function, with matching window, trace, tables and CALC
• Sequences u, v, w with TIME plots, WEB cobwebs and phase plots
• New icon home screen: press the home key for every tool one tap away
• Rebuilt Conics and Lines with equation templates and multi-graph colors
• Guided stats wizards, Manual-Fit, QuickPlot and Fit-EQ
• Smarter cursor, Points of Interest while tracing, bug fixes
Taculator 84 Graphing Calc version 1.4.7
Updated At: 2026-08-24
Changes: Google Play promo codes: redeem a code in the Play Store and your Pro unlock activates instantly in the app.
Restore Purchases: switch phones or reinstall and bring back your Pro unlock with one tap.
Performance & Stability
• Smoother app startup and navigation
• Improved dialog handling
• More reliable matrix storage
• Additional bug fixes and improvements
Taculator 84 Graphing Calc version 1.4.6
Updated At: 2026-08-13
Changes: Quadratic Solver upgrade: new SOLVE button, decimal & complex number solutions.
Full Degree & Radian mode support across the app.
Change between 2ND and SHIFT mode and personalize your keyboard.
Enhanced GRAPH Sharing
• Share graphs with equations on the image
• Statistical plots show list data alongside the graph
Improved Sharing (SHARE button)
• Share equations with results ("2+2 = 4")
• LaTeX math syntax for use in other apps
Performance & Stability
• Bug fixes and improvements
Taculator 84 Graphing Calc version 1.4.5
Updated At: 2026-07-08
Changes: Change between 2ND and SHIFT mode and personalize your calculator's keyboard.
Enhanced GRAPH Sharing
• Share graphs with equations on the image
• Statistical plots show list data alongside the graph
Improved Sharing (SHARE button)
• Share equations with results (e.g., "2+2 = 4")
• LaTeX math syntax for use in other apps
Performance & Stability
• Bug fixes and improvements
Taculator 84 Graphing Calc version 1.0
Updated At: 2022-01-05
Changes: Big bug fixing
Added new features
Taculator 84 Graphing Calc version 1.0
Updated At: 2021-11-19
Changes: Added "plot" tab
Added "vars" tab
Added "draw" tab
Added new Stats Tests command
Fixed editing of Lists
Fix common bugs
Taculator 84 Graphing Calc version 1.0
Updated At: 2021-10-27
Changes: Added Statistical tests. Refactored edit matrix window. Fixed common bugs.
