calculus problems and answers online

Bongard Problems

Bongard problems are a kind of puzzle create by the computer scientist Mikhail Moiseevich Bongard in the mid-1960s. Later they became widely know when...

Wordoku Solver

Mojidoku or Wordoku is a variant of Sudoku that uses letters instead of numbers. You have to choose 9 letters out of the 26 and fill the puzzle accord...