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This is Numberphile. We mainly post videos about mathematics and just numbers in general.

Casting Out Nines

Casting Out Nines

Brady Haran
James Grime
Dr James Grime and a handy trick for checking calculations. Ditch the nines... More links & stuff in full description below ↓↓↓ Some extra footage from this interview: https://youtu.be/wQsQ8joretY Numberphile is supported by the Mathematical Sciences Research Institute (MSRI): http://bit.ly/MSRINumberphile We are also supported by Science Sandbox, a Simons Foundation initiative dedicated to engaging everyone with the process of science.

Additional information

Dr James Grime and a handy trick for checking calculations. Ditch the nines...

Some extra footage from this interview: https://youtu.be/wQsQ8joretY

The Neverending Story (and Droste Effect)

The Neverending Story (and Droste Effect)
The Trinity Hall Prime

The Trinity Hall Prime