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Y1 = X² − 4
GRAPH
TRACE X=2 Y=0
GRAPH
TRACE X=2 Y=0
Flagship calculator
TI-84 Calculator Online
Open a dedicated TI-84-style calculator experience, then use our detailed manual for graphing, tables, statistics, matrices, fractions and common errors.
GraphingStatisticsMatricesMobile app mode
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- Profile page for discovery and learning
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Popular tools
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ScientificReady
Scientific CalculatorTrig, logs, roots, powers and classroom arithmetic.GraphingReady
Graphing CalculatorPlot up to four functions with custom graph windows.StatisticsReady
Statistics CalculatorMean, median, quartiles and standard deviation.AlgebraReady
Matrix Calculator2×2 matrix operations, determinant and inverse.ArithmeticReady
Fraction CalculatorSimplify, convert and operate on fractions.CollegeReady
Financial CalculatorLoan payment, NPV and IRR tools.Browse by subject
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Our documentation explains calculator workflows with button sequences, worked examples and common mistakes.