GraphCalc 84: Graphing Calc

TI-84 style, scientific & math

$9.99 · Designed for iPad. Not verified for macOS.

Now with handwriting input and photo-to-equation OCR. 12 themes. Programmable. Buy once, free updates, no ads, no subscriptions, fully offline. A full graphing calculator with the layout and feel of a classic handheld — built for iPhone and iPad. Plot up to 9 equations, run TI-style programs, solve systems, fit regressions. No ads, no subscriptions, no internet required. NEW IN 1.3 • Math Snap — point your camera at a printed equation, get an editable expression. • Scribble — write equations by hand or with Apple Pencil; recognized in real time. • Unit-aware arithmetic — 5[m] · 9.81[m/s^2] just works, with one-tap conversion. GRAPHING • Function, parametric, polar, and sequence modes • 9 simultaneous equations, color-coded • ZOOM (in/out, decimal, square, standard, trig, fit), TRACE with touch-jump • CALC: zeros, min/max, intersect, dy/dx, ∫f(x)dx • Spiffy Graph mode — neon glow with adjustable intensity MATH • Trigonometry, logarithms, complex numbers (rectangular & polar) • Matrices [A]–[J] with full linear-algebra ops • Statistics: 1-Var, 2-Var, ten regression types including SinReg • Distributions: Normal, t, χ², F, Binomial, Poisson, Geometric • Probability: nPr, nCr, factorial, randInt, randNorm, randBin APPS • TVM Solver, Loan Calculator, Tip Split • Equation Solver, Quadratic, Polynomial Roots, Systems • Numerical derivative, definite integral, Riemann Explorer • Periodic Table, Physics Constants, Coordinate / Unit Converter • Curve Fitting, Combinatorics, Dice Probability • Date Calculator, Vector Calculator, Step-by-Step Solver, Graph Inequalities PROGRAMMING • BASIC-style language with If/Then/Else, While, For, Repeat • Draw, Line, Circle, Shade, Text, StorePic / RecallPic • Programs persist across launches PERSONAL • 12 themes including amber phosphor, green phosphor, midnight, paper, porcelain, sunset — all WCAG-AA contrast certified • External display support on iPad • Hardware keyboard support • Imports custom .gctheme.json files WHY GRAPHCALC 84 • Buy once. Free updates. No ads. No subscriptions. • Every calculation runs on-device. No account, no telemetry. • Built by a developer who actually uses graphing calculators.

Ratings & Reviews

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Bug fixes in STAT and MATRIX functions.

Version 1.4

The developer, Jeffrey Anderson, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Collected

    The developer does not collect any data from this app.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Seller
    • Jeffrey Anderson
    Size
    • 6 MB
    Category
    • Education
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 Jeffrey Anderson
  • Developer Website
  • Privacy Policy

    • Supports

    • Family Sharing

      Up to six family members can use this app with Family Sharing enabled.