Task-based reference
TI-84 guides
Use a focused guide when you need a specific TI-84 workflow.
Graph functionsEnter functions, graph them and read the result.Window, Zoom, Trace & TableControl the view and inspect graph values.Statistics & listsEnter data and calculate summaries.RegressionFit models to data and interpret the output.MatricesCreate, calculate and check matrix dimensions.Fractions & decimalsMove between exact and decimal forms.TrigonometryChoose the correct angle mode and evaluate trig functions.Common errorsDiagnose syntax, mode, dimension and window problems.