Riichi Calc is an easy to use app that takes any valid Japanese mahjong hand and calculates all possible winning combinations. A great companion for any Japanese mahjong player! Feel free to e-mail me about any calculation errors.


Features:
　• Used for the Japanese variant of Mahjong
　• Order is irrelevant. The app will rearrange the tiles for you
　• Determine waits of a tenpai hand
　• Provides warnings against illegal combinations (e.g. riichi with an open hand)
　• Calculate points using han and fu as the input
　• Display terminology in English or romanized Japanese