GraphCalc: Equations & Matrix

One-time $1.99 unlocks equations, matrices, and calculus — no subscription, no ads, works offline.

GraphCalc is a complete math toolkit for students, teachers, and anyone who needs to calculate, graph, or solve — all in one app, all on your device.

CALCULATOR (Free) A full scientific calculator with trigonometric, logarithmic, exponential, and root functions, plus a live preview of your result as you type.

GRAPHER (Free) Plot any function and explore it with pinch-to-zoom and pan. Tap the graph to inspect exact coordinates, find roots and extrema automatically, and share a clean image of your graph — axes, equation, and all.

EQUATIONS Solve systems of linear equations (2 to 5 variables) and quadratic equations step by step.

MATRICES Compute determinants, inverses, and transposes, or add, subtract, and multiply matrices up to 4×4.

CALCULUS Find symbolic derivatives and numeric integrals of any function, with an easy-to-read result.

Equations, Matrices, and Calculus unlock together with a single one-time purchase of $1.99 — no subscription, no recurring charges, yours forever.

GraphCalc works completely offline: nothing is ever collected, uploaded, or shared. Available in English and Spanish, matching your device's language automatically.