Advanced Graphing
Plot up to 10 functions simultaneously. Zoom, trace, and find intersections, roots, and maxima — exactly like the real device.
The most accurate TI-84 Plus & CE simulator on the web. Graph functions, solve calculus, and ace your exams — right in your browser.
Built from the ground up to match the exact behavior of a physical TI-84 Plus CE — without the $100 price tag.
Plot up to 10 functions simultaneously. Zoom, trace, and find intersections, roots, and maxima — exactly like the real device.
Compute derivatives, definite integrals, and limits. Full support for calculus operations students need for AP and college math.
Enter data lists, run regressions, calculate standard deviation, and plot statistical graphs — all in one tool.
Use your physical keyboard for fast input or tap the on-screen keypad. Fully optimized for desktop, tablet, and phone.
Fully responsive design works perfectly on phones and tablets. Use it during class, at your desk, or on the go.
Mirrors the exact keystrokes and output of a real TI-84. If you practice here, you're ready for the real thing.
Navigate to the calculator page. No login, no signup, no waiting. It loads instantly in any modern browser.
Use the on-screen keypad or your keyboard to type equations, functions, or statistical data — exactly like the real calculator.
Switch to graph mode to visualize functions, zoom in on roots, and trace along curves to find exact values.
Teachers and developers can embed the full calculator on any website with a single line of HTML. Free forever.
From high school algebra to university calculus — use it for homework, test prep, and exam practice without needing a $100 calculator.
Project it in your classroom, share it during virtual lessons, or embed it on your school website for student access 24/7.
Engineers, data analysts, and scientists who need a quick and reliable graphing tool on any device — without installing software.
Join over 100,000 students, teachers, and professionals using CalcOS every month. Free, fast, and always available.