How does a calculator do math so fast?
Lightning Math Dance
How does a calculator do math so fast?
You press 7 + 5 and boom — the answer appears before you can blink. No pencil, no fingers, no counting. How does a calculator do math faster than you can say "twelve"?
Inside that plastic case, there's no tiny mathematician scribbling numbers. There's a chip — a flat square smaller than your fingernail, covered in microscopic switches called transistors. Millions of them, packed together like a city made of light.
