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Karl top 7% this week

Teacher of maths. Enjoy all areas of maths but struggle with it somewhere around undergraduate level depending on the topic.

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15 questions
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  • Member for 1 year, 11 months
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  • Last seen 1 hour ago

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Top Posts (83) All Questions Answers | Votes Newest

34 Help with a prime number spiral which turns 90 degrees at each prime 21 hours ago
12 What do sine, tan, cos actually mean? Jul 25 '15
8 Trigonometric proof stuck with induction step Apr 5
7 simulating a fair six with a four equal sector spinner May 25 '15
6 Can some explain very quickly what $ |5 x + 20| = 5 $ actually means? May 4 '15
5 Probability question - throwing dice Apr 29 '15
4 Why cannot $(2x^2 + x)^2$ be simplified to $2x^4 + x^2$? Jun 2 '15
4 Isosceles triangle has the least perimeter among triangles on the same base with same area? Aug 10 '15
4 What is the value of $-(-6)$? Aug 11 '15
3 Why do RMS and Standard Deviations sum squares? May 28 '15
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