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Calculus is the mathematical study of continuous change, split into differential calculus (rates of change and slopes) and integral calculus (accumulation and area). This visualizer plots any function you enter, overlays its derivative as a live curve, and lets you approximate a definite integral by choosing the number of Riemann sum rectangles—watching accuracy improve as subdivisions increase. Limits, tangent lines, and the Fundamental Theorem of Calculus all become geometric facts rather than abstract rules.
calculus · derivatives · integrals · Riemann sums · limits · Fundamental Theorem of Calculus
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