100 years to solve an integral
The history of the Mercator map and the integral of the secant
Pegasus by Satoshi Kamiya, folded by me
The history of the Mercator map and the integral of the secant
This post describes a Sudoku solver in Python. Even the most challenging Sudoku puzzles can be quickly and efficiently solved with depth first search and constraint propagation.
This post details a backtracking algorithm for solving scramble square puzzles. This is a deceptively simple looking puzzle, with only 9 pieces, but it can be very challenging to solve, with over 23.8 billion possible arrangements.