Mathematicss

• Rare numbers
• Intersecting Number Wheels
• Barnsley fern
• Carmichael 3 strong pseudoprimes
• Vampire number
• Bernoulli numbers
• Pell's equation
• Averages/Mean time of day
• Averages/Mean angle
• Fusc sequence
• Josephus problem
• Cramer's rule
• Zumkeller numbers
• Gamma function
• Catalan numbers/Pascal's triangle
• Iterated digits squaring
• Egyptian fractions
• Entropy
• Digital root/Multiplicative digital root
• Taxicab numbers
• Statistics/Basic
• Egyptian division
• Map range