F′=fFundamental Theorem of Calculus Lab

Accumulating and differentiating are mirror images

Why does this exist?

The discovery that they undo each other — the greatest shortcut in the history of mathematics.

Part of the Journey of Change — How fast do things change — and what does change add up to?

🔬 The interactive lab is live — currently in Korean

Sliders and simulations speak every language. Most visitors can follow the experiment even without reading Korean — and a full English version of this lab is on the way.

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