Mind Math: The Genius Who Calculated the Infinite but Couldn't Understand a Circle (How an Uneducated Boy Built the Mathematical Bedrock of Europe)

Long before the invention of the microchip or the hum of electronic servers, the most powerful computer in the world was made of flesh, blood, and a fragile, neurodivergent mind.

Mind math tells the astonishing and tragic true story of johann zacharias dase, a 19th-century hamburg boy who possessed a terrifyingly raw biological capability for arithmetic.

Dase was a walking paradox. He could mentally multiply hundred-digit numbers and calculate pi to two hundred decimal places entirely in his...