TI 84 vs Desmos Graphing Calculator
Both TI-84-style calculators and Desmos-style graphing tools are useful. The better choice depends on the class, assignment and allowed tools.
Use TI-84-style tools for calculator workflows
A TI-84-style calculator is useful when the lesson expects the same key layout, menus, lists, stat functions and graphing workflow.
Use Desmos-style tools for fast visual graphing
Desmos-style graphing is often faster for exploring functions visually, sliders and interactive graphs.
Check class rules
Calculator rules vary by teacher, school, testing center and exam. Always follow the required tool for formal assessments.
Best strategy
Use the TI-84-style calculator to practice the exact menu/key workflow, and use modern graphing tools for quick visual exploration when allowed.