multiply faster

[Lamp]

YouTube - Fast Maths Trick of Calculation

 

[fl3a]

he has an awesome voice.

 

[Bahumat]

Awesome trick, I wish he'd put one in my oven!

 

[Lamp]

He's got a few more free vids

Easycal Videos - Metacafe

The only problem is that there are rules for each "trick" - eg there's a separate trick showing how to square any two numbers between 30 and 70. What if you want to square 6379.34 ? *gets calculator*

And yeah his voice is great