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Improving Your Mental Math Skills?

Posted by Cliff on from the outperforming-an-abacus dept.

Infrared-Archer asks: "I want to learn how to do most math calculations in my head. That way I won't have to reach for the calculator for problems I should be able to do mentally. Of course there are various websites (beat the calculator) that show many tricks, but I am looking for a comprehensive solution (books, websites) that shows how to solve of wide range of math problems mentally. Any suggestions?"

2 of 136 comments (clear)

  1. Re:Best way by rixstep · · Score: 4, Funny

    Yeah, I basically do it the same way, except I usually use logarithms and double precision floating point, then I just round off (ceiling or floor) to the nearest 128-bit integer.

    Takes a bit of practice, but once you get the hang of it, it's a piece of cake.

  2. Re:Vedic Mathematics by rixstep · · Score: 3, Funny

    Heck, thanks matey, that's OK, but most of us will be in your neighbourhood this time next year hunting down IT jobs, so we can pick them up then.

    Thanks again.