A method for automatically dividing and marking scale interval for coordinated axes according to domain of definition and domain of function when graphing functions on CRT is suggested.

• 本文提出一种用CRT显示一元列表函数图象时,根据被显示函数的定义域和值域,计算机自动进行坐标刻度的划分和标值的算法,给出了程序框图和说明。