Per

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How to rotate a curve in the xz-plane around z axis?

Asked by Per on 30 Jan 2013
Latest activity Commented on by Per on 4 Feb 2013
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1answer
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2answers
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Sum digits of big numbers

Asked by Per on 18 Jan 2013
Latest activity Commented on by John D'Errico on 19 Jan 2013
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2answers
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Sum digits after vpa(N,100) ?

Asked by Per on 16 Jan 2013
Latest activity Commented on by Jan Simon on 16 Jan 2013

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