Scott Baldridge, an expert on this approach. Baldridge has designed a training program for elementary school math teachers who want to use it.

VOA: standard.2010.08.10

Now just to get used to the conventions, 0 because this is the program you'll use not for problems at 0 but for 1 to start writing programs, notice at the top in this window just reminds you what you're working on.

我们要入乡随俗，习惯这样的界面，因为这是你们将要用到的程序，不是为习题集0，而是0,而是为习题集1开始写程序的,注意窗口顶部，这是用来提醒你，你工作在何种环境。

哈佛公开课 - 计算机科学课程节选

At the top, I've got some CS50 Library going on, argv standard I/O library; I don't bother mentioning argc or argv because I'm not going to use them in this program.

在顶端，我使用了CS50函数库，标准输入输出库，我没有提到argc或者,因为我不会在这个程序中使用它们。

哈佛公开课 - 计算机科学课程节选