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Home » Faster than a Calculator by Arthur Benjamin at TEDxOxford (Transcript)

Faster than a Calculator by Arthur Benjamin at TEDxOxford (Transcript)

Arthur Benjamin at TEDxOxford

Transcript of Faster than a Calculator by Mathemagician Arthur Benjamin at TEDxOxford conference.

Listen to the MP3 Audio here: MP3 – Faster than a calculator by Arthur Benjamin @ TEDxOxford


Well good afternoon, ladies and gentlemen. My name is Art Benjamin, and I am a mathemagician. What that means is, I combine my loves of math, or I should say maths and magic to do what I call “mathemagics.”

But before I get started, I’ve got a quick question for the audience. By any chance, did anyone – anyone here in the audience happen to bring with them this afternoon a calculator? If you have one, perhaps on your phone or somewhere and you are pretty comfortable using it, raise your hand. I will need a couple of people to help me out here. I see one, two and perhaps one more. Three, the three of you bring out your calculators and join me up here on stage and let’s give these volunteers a nice round of applause. Come on up!

Great. Over on this side please. Awesome. Now, since I have not had the chance to work with these calculators, I need to make sure that they are all working properly. Would somebody get us started by giving us a two-digit number, please? How about a two-digit number?

[Audience: 74.]

Oh, that’s fine. 74. And another – how about another two-digit number, how about on this side?

[Audience: 39.]

Multiply 74 times 39 on the calculator, make sure you get 2886, or the calculators are not working. Do each of you get 2886? Give them a round of applause.

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