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Peter Breitfeld

I'm a retired college math teacher. I use Mathematica since version 2.2 and begun TeX with emTeX about 1990. Other languages I use are C, Perl, bash ...

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  • Last seen Jun 26 '13 at 15:59

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46 Can I simplify an expression into form which uses my own definitions? Apr 2 '12
31 How to plot Venn diagrams with Mathematica? Mar 3 '12
31 Usage displays properly only after second call Apr 5 '12
26 How can I plot the direction field for a differential equation? Jul 29 '12
24 Finding real roots of negative numbers (for example, $\sqrt[3]{-8}$) Apr 3 '12
23 About the number format in ticks May 9 '12
22 Extract current viewing parameters from a 3D view? May 9 '12
17 How to calculate scalar curvature Ricci tensor and Christoffel symbols in Mathematica? Jul 31 '12
17 About multi-root search in Mathematica for transcendental equations May 17 '12
17 Is it possible to have Mathematica move all terms to one side of an inequality? May 1 '12
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