Radio 5 live puts the 'human calculator' through his paces

31 January 2012 Last updated at 09:30 ET Help

Scott Flansburg holds the Guinness World Record for fastest human calculator for adding the same number to itself more times in 15 seconds than a person could do with a calculator.

The American mathematician is dedicated to helping adults and students to get over their fear of the subject by entertaining them.

Radio 5 live Breakfast challenged him to some mental arithmetics.

To hear other 5 live interviews, please visit the best bits page.

Breakfast broadcasts weekdays 06:00 to 09:00 on Radio 5 live.

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