Riichi Calc

Takes any valid Japanese mahjong hand and calculates all winning combinations.

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