You can bring any calculator you want, we don't actually have restrictions for calculator types here, but what you can't do, is you can't program any relevant chemical or information about constants in there.

你可以带你想用的任何一种计算器，我们并不限制计算器的类型，但是有一点是不允许的，那就是你不能使用编程的功能来记录,相关的化学常数或其它信息。

麻省理工公开课 - 化学原理课程节选

So, today we're going to introduce the chemistry topics, which we will cover in 5.111, and give you general information, practical information about the course number of points you need, when the exams are, that kind of thing, policies, and introduce you to the teaching staff.

今天，我们将向你们介绍这门课会涉及的化学问题，并告诉你们一些基本信息和实用信息，像你需要的课程分数,考试时间，课程政策，以及授课教师。

麻省理工公开课 - 化学原理课程节选

So, neurons communicate to one another chemically.

这样,神经元之间便通过化学方式,进行信息的传递

耶鲁公开课 - 心理学导论课程节选