have you tried DragMath ? http://www.dragmath.bham.ac.uk/demo.html http://docs.moodle.org/en/DragMath_equation_editor http://sourceforge.net/projects/dragmath/
On Wed, Apr 8, 2009 at 6:55 PM, kirby urner <kirby.ur...@gmail.com> wrote: > On Wed, Apr 8, 2009 at 8:20 AM, michel paul <mpaul...@gmail.com> wrote: >> SAGE is awesome. I highly recommend it. Recently I've been looking at it >> more intently with the idea of using in math classes. >> > > We've been hoping to get the Sage folks from Seattle to present at > PPUG Portland. > > One reason I encourage core Python for more elementary courses is I'm > wanting to open a window into the language itself, not an application > written in that language. "Staying close to the metal" sounds funny > in this context, given it's a VHLL. > > That being said, Sage encourages writing in core Python, then working > the API for graphics. I recommend creating a free user account and > testing it over the web by pulling up some already published > activities e.g.: > > v2 of three famous plots of chaos > http://www.sagenb.org/home/pub/20/ > > In terms of selling your department on the relevance of Python to math > learning, I think Sage is a significant asset, something to show and > tell about. > > Here's all you need to plot a Mandelbrot set: > > #Mandelbrot set: the final plot is a subset of the complex plane; > #the color at point c is porportional to the number of iterations that > #the discrete dynamical system z->z^2+c takes to leave a circle around > #the origin when z0=0 > > N=int(200) #resolution of the plot > L=int(50) #limits the number of iterations > x0=float(-2); x1=float(1); y0=float(-1.5); y1=float(1.5) #boundary of > the region plotted > R=float(3) #stop after leaving the circle of radius R > zero = int(0) > m=matrix(N,N) > for i in range(N): > for k in range(N): > c=complex(x0+i*(x1-x0)/N, y0+k*(y1-y0)/N) > z=zero > h=zero > while (h<L) and (abs(z)<R): > z=z*z+c > h+=1 > m[i,k]=h > matrix_plot(m, cmap='hsv') > > That's a lot shorter than my implementation with PIL: > > http://www.4dsolutions.net/ocn/fractals.html > http://www.4dsolutions.net/ocn/lorentz.html > > There's also Lorentz Attractor and Feigenbaum diagram, woo hoo! > > Kirby > _______________________________________________ > Edu-sig mailing list > Edu-sig@python.org > http://mail.python.org/mailman/listinfo/edu-sig > -- Jurgis Pralgauskis tel: 8-616 77613; jabber: jur...@akl.lt; skype: dz0rdzas; Don't worry, be happy and make things better ;) http://sagemath.visiems.lt _______________________________________________ Edu-sig mailing list Edu-sig@python.org http://mail.python.org/mailman/listinfo/edu-sig
