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三、辅助语句一)输入语句: 为节省计算机的运行时间和简化程序,可把一些已知的点、线、圆的实际数值用输入语句直接输入计算机。其书写格式如下: 输入语句应当列在图形描绘语句之前,先填写~■SR~■列出输入的各点、线、圆的名字,而在源程序终了,~■JS~■后,再按前面输入语句中列出的点、线、圆的顺序,对应输入它们的实际值。例如:P_1(25,30),P_2(-30,40),C_1(10,25,30),C_2(25,-30,15),按下式填写:
Third, the auxiliary statement A) input statement: In order to save the computer running time and simplify the program, some of the known points, lines, circles, the actual value of the input statement directly into the computer. The writing format is as follows: The input sentence should be listed in the graphic depiction statement, fill ~ ~ SR ~ ■ List the input points, lines, circles the name of the source program, ~ ■ JS ~ ■, then press The order of the points, lines, and circles listed in the preceding sentence is entered in the order of their actual values. For example: P_1 (25,30), P_2 (-30,40), C_1 (10,25,30), C_2 (25, -30,15), according to the following formula: