Desmos Calculator
Graphing
Scientific
Four-Function
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SAT: Solve a system by graphing
SAT: Zeros and vertex of a parabola
SAT: Slider for an unknown constant
SAT: Table and linear regression
Calculus: Tangent line and derivative
Calculus: Definite integral and area
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Tip: tap any curve to see intercepts, vertices, and intersections. Use the Graphing mode for the digital SAT/PSAT.