Graphing Calculator

This tool provides an online emulation of a TI-84 CE graphing calculator, enabling precise evaluation of expressions, graphing of functions, and analysis of data sets. It targets students, teachers, tutors, and self-learners who need reliable, on-demand math capabilities without hardware constraints.
Conceptually, it mirrors the device's core modules: a parser and evaluator for algebraic expressions, a graphing engine that draws y=f(x) or parametric curves over a user-defined window, and a linear algebra module for matrices (determinant, inverse, row operations). Statistical tools deliver common measures and regression results, while a basic programming area supports small scripts.
Unique value lies in accessibility and consistency across devices, with a familiar interface for classroom use and an emphasis on correct mathematical behavior (degree vs radian mode, numeric solvers, and robust error handling). Typical use cases include validating a quadratic factorization, computing a 3x3 determinant, plotting a function to verify intersections, or analyzing a data series for mean and standard deviation.
Core features include: expression evaluation with operator precedence, graphing, matrix operations, statistics on lists, and a tiny programming workflow. Optional advanced capabilities cover eigenvalues, matrix row-reduction, and a numeric equation solver. Outputs are returned as numeric results or structured data suitable for further analysis.