Mathematics
The golden number Φ
Mathematical induction
Ptolemy's theorem
Napoleon's theorem
Straight lines
Conics
The real transcendental functions
Geometric vectors
Complex numbers
Spherical trigonometry
Mathematica with WolframAlpha
Vector spaces and linear operators
Integrals
Partitions
Prime numbers
Probability
Euclid's Algorithm
Collatz's conjecture
Continued fractions
Egyptian fractions
Pythagorean triples
The Mandelbrot set

last reviewed: Febbruary 2017