“Mathematical Database” was launched on March 14, 2003. In case of queries, or you have any comments to our site, please contact webmaster@mathdb.org.

19 Nov, 2007 “Math Forum” has been upgraded from phpBB2 to phpBB3. We also resume the latex support in the forum.
15 Nov, 2007 Details of Mathematical Database Website Resource Competition 2007/08 announced. Register here!
5 Oct, 2007: IMO HK Preliminary Selection Contest 2008 test paper and answers uploaded.
18 Aug, 2007: A new set of notes on Analysis – Metric Space is now available.
13 Jul, 2007: The comment on the articles in Mathematical Database Website Resoure Competition uploaded.
22 Jun, 2007: Article – From Human Knot to DNA uploaded.
22 Jun, 2007: Algebra – Solutions to Inequality Exercises uploaded.

Math Tips

The “Euler’s conjecture” is proposed by Leonhard Euler in 1769, and is related to “Fermat’s last theorem”. It states that for every integer n greater than 2, the sum of n –1 n^th powers of positive integers cannot itself be an n^th power. The conjecture was disproved by L. J. Lander and T. R. Parkin in 1966, when they found the following counterexample for n = 5: 27⁵ + 84⁵ + 110⁵ + 133⁵ = 144⁵.

Math Funland ~ 22 Nov , 2005~ A new section “Math Riddles” is added into “Math Funland“. (Only Chinese Version is available)~ 12 Dec , 2004 ~ Comics The Second Mathematical Crisis just added!! [Record of Updates] Math Articles ~ 16 Jun , 2007 ~ The Math Article From Human Knot to DNA uploaded. English version is available!~ 31 Aug , 2004 ~ The Math Article What is proportional representation? updated. English version is available! [Record of Updates] Math Gallery ~ 10  Jul , 2003 ~ Add 8 graphs of functions and 7 math posters.~ 13 Jun , 2003 ~ Exhibiting 20 photos of mathematicians. [Record of Updates] Links ~ 31 May , 2003 ~ Link of Math Olympiads – IMO 2003 is added.~ 02 Apr , 2003 ~ Link of Math Olympiads – APMO is added. [Record of Updates]

Math Notes Elementary Mathematics ~ 22 Jun , 2007~ Algebra – Solutions to Inequality Exercises uploaded.~ 7 Jan , 2007~ Algebra – Functional Equations uploaded.More sets of notes are coming. [Record of Updates] Higher Mathematics ~ 18 Aug , 2007~ Analysis – Metric Space~ 27 May , 2005~ Analysis – Baire’s theorem~ 12 Aug , 2003~ Fractals – Hausdorff DimensionMore sets of notes are coming. [Record of Updates] Resource Sharing ~ 5 Oct , 2007 ~ IMO HK Preliminary Selection Contest 2008 test paper and answers uploaded. ~ 20 Mar , 2007 ~ 6th Pui Ching Invitational Mathematics Competition questions and answers Uploaded.~ 9 Feb , 2007 ~ IMO HK Preliminary Selection Contests test papers and answers uploaded. [Record of Updates] Teaching Module ~ 14 Mar , 2004 ~ Teaching module Iterations, Fractals and Chaos is now available. Please come and have a look!More teaching modules are coming. [Record of Updates]

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