Equations are generally written with an equal sign.

等式通常用等号来写。

《柯林斯英汉双解大词典》

What does an equal sign do?

一个等号是用来做什么的？

youdao

Why don't I just use an equal sign?

不用一个等号么？

youdao

which I just did there, -mystring in fact, let me type it in-- mystring, with an equal sign, which is saying, assign or bind to that name the value of the following expression.

也就是这里我做的，实际上，让我输入，然后是个蹬好，意思就是说，把这个名字绑定到,后面表达式的值上去。

麻省理工公开课 - 计算机科学及编程导论课程节选

And one of the things neophytes trip over early on is that we'll soon see there's not only an equal sign operator, there's equals equals.

这样我们还要引入了一个新的操作符,我们将看到这里不仅有一个等号的操作，还有双等号。

哈佛公开课 - 计算机科学课程节选

So, we take our two equilibrium states, and you just put an equal sign between them, and the equal sign means go from one to the other.

我们写出两个平衡态，然后你只需要在它们之间放一个等号，等号表示,从一个过渡到另一个。

麻省理工公开课 - 热力学与动力学课程节选