Hi Calvin Sir,

I have got an Idea. Please introduce a section for previous year papers of International Olympiads and some of the National Mathematics Olympiads of some countries.

Hi Calvin Sir,

I have got an Idea. Please introduce a section for previous year papers of International Olympiads and some of the National Mathematics Olympiads of some countries.

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TopNewest@Calvin Lin @Daniel Liu @Sreejato Bhattacharya @Brian Charlesworth

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There are already other resources that serve this purpose.

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Thank you, Daniel. Daniel can you suggest me on where to start and what books to refer to learn number theory and algebra for proofathon competition.

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website. However, they are quite expensive. You may also want to try 105 Algebra Problems, 108 Algebra Problems, and 104 Number Theory Problems. Problems from the Book is also a good albeit hard book. You can find many of the non-AoPS books online as PDF's too.

If you want books, AoPS has a reasonable number of mathematics books that you can buy on theirLog in to reply

@Daniel Liu From which part did u start learning Number theory and what should i do to master Number Theory ?

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@Daniel Liu

Hey Daniel, Can U please tell me what software do you use to draw Geometric Figures as like in ur problem "Perps In Cyclic Quad".Log in to reply

Geogebra.

I useLog in to reply

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