Graph solver online — graphing calculator 2D, 3D & CAS | Study Lab | RubricMark

Free graph solver online and graphing calculator for 2D curves and 3D surfaces. Solve by graphing, explore moving tangents, run power motion, and use online CAS for algebra, integrals, and quadratic equations — active graphing, not answer chat.

Features

Free online graphing calculator for 2D function graphs and 3D surfaces
Solve by graphing — linear, quadratic, exponential, and trig graphs on a cartesian plane
X and y axis ranges, number plane view, and intercept-friendly coordinates
3D graphing calculator / 3D plotter for z = f(x, y) with orbit drag and zoom
Online CAS — algebra calculator, integral calculator, equation solver, quadratic formula solver, simplify
Power motion simulation and derivative explorer (moving tangent / tangent plane)
PNG/PDF export plus Study Lab flashcards, Outliner, planner, and practice tools nearby

Study Lab and Practice Hub

RubricMark is a personal learning companion from Year 5 through university. Study Lab offers a curriculum map, outlines, cheat sheets, and daily articles. Practice Hub covers HAST, Selective, OC, NAPLAN, IB, and senior exams with timed mocks and rubric feedback. Practice Hub covers IELTS, PTE, and JLPT with personalised practice and study books.