20岁时，他把尤勒的权威代数著作译成了英语。

At twenty he translated Euler's standard work on algebra into English.

《柯林斯英汉双解大词典》

函数索引不能是内置的代数、指数、对数或十六进制函数。

A functional index cannot be a built-in algebraic, exponential, log, or hex function.

youdao

代数对每个人来说都不容易学，但它非常有用。

Algebra is not easy for everyone to learn, but it is very useful.

youdao

Let's say you have to go through three or four operations to get a final number, well, do it algebraically.

让我们说,你不得不通过3-4个操作,才能得到最终的数，好吧，用代数方法求解。

麻省理工公开课 - 固态化学导论课程节选

I mean, you may not understand it with algebra before but some of these sorts of pictures have you seen before?

我是说可能代数部分你没看懂,但你们以前见过类似的图像吧

耶鲁公开课 - 博弈论课程节选

I want to show you how easy it is to change the code. But, notice, once I've added this I actually have a problem. This is now an under-constrained problem. I have more unknowns than I have equations.

我加上这个条件后,我马上面临一个问题了,这就是现在是一个非约束性问题了,我的未知数比方程数多,你从代数中可以知道。

麻省理工公开课 - 计算机科学及编程导论课程节选