(1) 在游戏开始前要进行难度选择，难度选择有简单的，中等的，困难的，根据所规定的时间来进行区分，然后点击“开始”，计时器开始计时，进度条开始前进，且对话框中会随机出现4张牌。

(2) 在规定时间内，在编辑框中输入结果，数字应该与4张牌号相同，判断其所得结果是否为24。然后点击“验算”，此时计时器停止计数，若结果正确，则会显示“你太棒了！”，若结果错误或是输入的数字不与牌号一致，则会显示“对不起，你错了！”。若时间到了，不管玩家是否输入，会弹出“时间到！”。

(3) 若玩家想再来一局，可以点击“开始”，若玩家不想玩了，则点击“退出”按钮，退出游戏。

-(1) prior to the start of the game were difficult choices, difficult choices are simple, medium, difficult, according to the time required to distinguish between, and then click "Start", the timer starts timing, progress bar started to move, and dialog box will appear four random cards.

(2) within a specified time, in the edit box enter the result, the number should be the same with the four grades, determine whether the results 24. Then click on "checking", then the timer stops counting, if the result is correct, it will display "you re great!" If the result of error or the number entered is not consistent with the grades will be displayed "Sorry, you re wrong !. " If the time is up, regardless of whether the player input, will pop up "time to!."

(3) If the players want to come back one council, you can click on the "Start", if the players want to play, and then click the "exit" button, exit the game.