Lexington Reservoir Full after Drought

Lexington Reservoir Full after Drought

Ancient Key Puzzle: The Two Solutions

Ancient Key Puzzle: The Two Solutions

Video Response to

Video Response to "Ted Ed's Frog Riddle is Wrong"

Equilateral Triangle To Square Dissection and Problem Set

Equilateral Triangle To Square Dissection and Problem Set

Math behind the Powerball Odds

Math behind the Powerball Odds

Merry Combinatoric Christmas

Merry Combinatoric Christmas

The Secret Santa Game - How to Play and Win!

The Secret Santa Game - How to Play and Win!

Egg Carton Combinatorics

Egg Carton Combinatorics

Bracelet Permutations - Directed Beads - 8 red and 8 black

Bracelet Permutations - Directed Beads - 8 red and 8 black

Bracelet Permutations - two colors, p beads of each color where p is prime

Bracelet Permutations - two colors, p beads of each color where p is prime

Arranging Digits for a Minimum Difference

Arranging Digits for a Minimum Difference

Bracelet Permutations

Bracelet Permutations