Well, I've always been the kind of guy who likes to do math in my head, and tend to be able to do it quite quickly...Chris, I'd be interested in joining you, and Stefan...wanna test that theory see how long it takes me???
Craig --- In [email protected], "Stefan Pochmann" <[EMAIL PROTECTED]> wrote: > > --- In [email protected], cmhardw <[EMAIL PROTECTED]> > wrote: > > > > So anyway, I'm very very interested in learning speed mental > > arithmetic and am looking for others who are or have been interested > > for a while. This is all new to me, and it would be awesome to hear > > some advice from someone who already does this ;-) > > How fast can you let's say multiply two 3-digit or two 4-digit numbers > in your head? > > - Hardcore version: somebody tells you the two factors, then you > think, then you say the result *after* your calculation (i.e. you must > say the result quickly). > > - Kindergarten version: You write both factors down, then you think > and write the result down (can be mixed, i.e. you can write down > digits of the result *during* your calculation). You can't write > anything down besides the factors and the result. > > Cheers! > Stefan > Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/speedsolvingrubikscube/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
