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March 2nd, 2010, 05:24 PM  #1 
Newbie Joined: Mar 2010 Posts: 1 Thanks: 0  Inverse Graphing Calculator
Hi everyone, new to the forums I'm a math grad student from Ohio State University.. Anyway, the reason I came was to mention a new project I've launched: The Inverse Graphing Calculator. Unlike a conventional graphing calculator, where you enter an equation and get a graph, this one lets you specify the graph you want, and it generates the *equation*. In the current form, you can specify the graph using Roman letters. Thus you can get equations whose graphs spell things out, like "Hello World" or "Will you marry me" or whatever you like Here it is: The Inverse Graphing Calculator Sam 
March 2nd, 2010, 09:21 PM  #2 
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: Inverse Graphing Calculator
Extremely nice. When I saw the title I was expecting something like a regression calculator (which would be useful, if mundane); this is cool and reminds me of the various cute Matiyasevich polynomials, though they are usually of the form a^2 + b^2 + ... = 0 rather than abc... = 0, since you want lines rather than discrete points.


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