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DavidButlerUofA

I am the coordinator of the Maths Learning Centre at the University of Adelaide. I have a PhD in finite geometry and a Graduate Diploma in Education. I help thousands of students every year to understand the maths involved in their courses. If you want to know more about what I think about maths and its education, check out my blog.

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Top posts (89) All Questions Answers | Votes Newest

26 Can you use row and column operations interchangeably? Jul 10 '14
16 Constructing a family of distinct curves with identical area and perimeter Jul 29 '14
13 Polygons with equal area and perimeter but different number of sides? Aug 4 '14
10 How to prove: if $a,b \in \mathbb N$, then $a^{1/b}$ is an integer or an irrational number? Jul 1 '15
9 How to create circles and or sections of a circle when the centre is inaccessible Jul 10 '14
9 Frobenius method, why is it an issue when the roots of the indicial equation differ by an integer Jul 23 '14
6 Polygons with equal area and perimeter but different number of sides? Aug 3 '14
6 How to draw greek letters on paper / blackboard? Nov 19 '14
5 Constructing a family of distinct curves with identical area and perimeter Aug 3 '14
4 How many $10$ digit number exists that sum of their digits is equal to $15$? Jul 29 '14
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