在键盘上练习打字并统计时间的实用程序。当一个句子输入完后（回车键作为结束符），屏幕上以min:sec:msec的格式显示键入字符的时间。在每次打字之前，屏幕上先显示出一个例句，然后用户按照例句，将句中字符通过键盘输入。这个过程可反复进行，当键入一个功能键时，退出打字计时程序。-Keyboard typing practice in and time utility statistics. When a sentence after importation (Enter as at the end of), the screen in order to min: sec: msec type of format characters in time. Prior to each type, the screen shows a first example sentence, and then the user in accordance with the examples, the characters through the keyboard input sentence. This process can be repeated, when the type of a function key, the time from the typing process.