本文翻译自:What does the CSS rule “clear: both” do? What does the following CSS rule do: 以下CSS规则有什么作用:
.clear { clear: both; }And why do we need to use it? 为什么我们需要使用它? #1楼
参考:https:/…
数学画图之双曲函数系列
"""
sinhx (e^x - e^(-x)) /2
cosh x (e^x e^(-x)) /2
tanh x sinh x/ cosh x (e^x - e^(-x)) / (e^x e^(-x))
coth x cosh x/ sinh x (e^x e^(-x)) / (e^x - e^(-x))sech x 1/coshx
csc x 1/sinhx
"""
impo…