# A collection of interesting mathematical epsilons.

## © Stu Savory, 2003.

Several readers of
my blog suggested that I collate the
mathematical posts all in one place. Here is that place :-)

- Divisibility by the prime numbers below 50
- How to square the circle (!)
- How to trisect an angle (!)
- An alternative Multiplication method
- The Sieve of Eratosthenes finds prime numbers
- A 'top 100' list of famous mathematicians
- An approximate history of PI
- A proof that the square root of 2 is not a fraction
- How to solve Cryptograms (12 easy rules)
- A proof of Pythagoras Theorem A
^{2} + B^{2} = C^{2}.
- Euclidean Geometry : What Euclid actually said...
- The Mersenne Primes
- Proof that there are infinitely many prime numbers
- Proof that there are only 5 Platonic Solids
- Proof that the angle of a triangle in a semicircle is 90°.
- A geometrical method of solving quadratic equations.
- Proof of the Unique Factorisation Theorem.
- Different kinds of Averages
- An Indian Multiplication Method
- The 80:20 rule, Pareto analysis
- Robust statistics using boxplots

To be continued . . .

Now go visit my blog please :-)