man fastest as a calculator (Arthur T. Benjamin)

Faster than a calculator | Arthur Benjamin | TEDxOxfordSee more

Turning Math Into Magic With ‘Mathemagician’ Art Benjamin at the USA Science & Engineering FestivalSee more

Faster than a calculator - Arthur BenjaminSee more

Faster than a calculator | Arthur Benjamin | TEDxOxfordSee more

Art Benjamin the Mathemagician at the USA Science & Engineering Festival!See more

Becoming a Lightning Fast Mental Calculator w/ Arthur Benjamin, PhD (The Live Long Podcast #41)See more

The Mathemagician: Arthur BenjaminSee more

Arthur Benjamin — Mathemagics & the Future of MathSee more

In Conversation - Episode 4: "Mathemagics" with Arthur BenjaminSee more

Arthur Benjamin - Secrets of Mental MathSee more

Prof Arthur Benjamin Speaks to The Phil | University Philosophical SocietySee more

Faster than a calculator | Arthur Benjamin | TEDxOxfordSee more

Magical SquaringSee more

Arthur Benjamin - MathemagicianSee more

Arthur Benjamin on "Becoming Mathemagician"See more

Lightning calculation and other "mathemagic" | Arthur BenjaminSee more

The magic of Fibonacci numbers | Arthur Benjamin | TEDSee more

Relentless Curiosity : Arthur Todd Benjamin at TEDxYouth@ChanakyapuriSee more