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 :-)

  1. Divisibility by the prime numbers below 50
  2. An alternative Multiplication method
  3. How to calculate the day of the week for a given date
  4. A spelling quilt you can count on
  5. The Sieve of Eratosthenes finds prime numbers
  6. A 'top 100' list of famous mathematicians
  7. An approximate history of PI
  8. A proof that the square root of 2 is not a fraction
  9. How to calculate square roots using only a compass and a straightedge
  10. How to solve Cryptograms (12 easy rules)
  11. A proof of Pythagoras Theorem A2 + B2 = C2.
  12. Euclidean Geometry : What Euclid actually said...
  13. The Mersenne Primes
  14. How to square the circle (!)
  15. Proof that there are infinitely many prime numbers
  16. Construction Kits for the Platonic Solids
  17. Proof that there are only 5 Platonic Solids
  18. Proof that the angle of a triangle in a semicircle is 90°.
  19. A geometrical method of solving quadratic equations.
  20. Complex number arithmetic tutorial.
  21. Proof of the Unique Factorisation Theorem.
To be continued . . .

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