GS Chandy
Posts:
7,950
From:
Hyderabad, Mumbai/Bangalore, India
Registered:
9/29/05


Re: MathTeachers?
Posted:
Mar 27, 2013 12:37 AM


Joe Niederberger posted Mar 27, 2013 2:24 AM: > > Dave Renfro says: > >See the attached .pdf file handout for more ideas. > > I like the part about not memorizing formulas, and > also, the couple of pictures offered. > > I don't know how commonly known it is that Google > offers a basic graphing capability from their search > field. For instance, type "2^x, 10^x" or "e^x, ln(x)" > into Google. Play around with rescaling the x&y > various ways to explore a bit. > > So, I can't resist asking the classic groaner "Can > you do this without calculus" question: what's > bigger, e^pi or pi^e? (You can certainly do it with a > calculator, so that's ruled out right away.) > > Cheers, > Joe N > Neat! I didn't know about the Google graphing facility  I should explore that when my Internet connection is offering a little more speed.
I recall that 'groaner' once really groaned me out! When I was studying engineering, there were no calculators/computers available at all  we entirely depended on slide rules  and it could, with some difficulty (and rather unconvincingly), be done on a slide rule.
GSC

