Digital Rank Studio provides a free browser-based calculator for students, teachers, and anyone exploring mathematics.
Our TI-84-style calculator brings arithmetic, trigonometry, function graphs, value tables, and basic statistics together in one place. You can enter expressions, explore graphs, and work with your own data without installing calculator software.
Our aim is to make everyday mathematical exploration easier through a clear interface and practical tools. This calculator is a simplified educational tool, and its features differ from those of a physical TI-84 calculator. It does not reproduce the complete TI operating system, TI-BASIC programming, or every function available on the original hardware.
Digital Rank Studio is an independent website. We are not affiliated with, sponsored by, or endorsed by Texas Instruments. TI-84 and TI-84 Plus CE are trademarks of Texas Instruments.
We encourage users to check important results and follow their school’s or exam provider’s rules when using online calculators.