This is a Countdown solver. With this tool you can enter inputs from Countdown letters and numbers games and have solutions calculated.
The numbers game solver is able to solve any solvable game. The letters game solver (in addition to the letters game) is also useful for solving the Countdown Conundrum and the Teatime Teaser.
Hone your skills with the Countdown Practise game.
If you love word games, you may be interested in Anagram Deputy - it's an extension of your brain that helps you find anagrams.