使用公式编辑器
^ 读做caret
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+ : plus(positive正的)
-:minus(negative负的)
*:multiplied by
÷:divided by
=: be equal to
≈ : be approximately equal to
() : round brackets(parenthess)
[] : square brackets
{} : braces
∵ : because
∴ : therefore
≤ : less than or equal to
≥ :greater than or equal to
∞:infinity
f(x) : the function of x
dx : diffrencial of x
x+y : x plus y
(a+b) : bracket a plus b bracket closed
a=b : a equals b
a≠b :a isn't equal to b
a>b : a is greater than b
a>>b : a is much greater than b
a≥b : a is greater than or equal to b
x→∞ :x approches infinity
< is less than
> is more than
≮ is not less than
≯ is not more than
≤ is less than or equal to 小于或等于号
- hyphen 连字符
≥ is more than or equal to 大于或等于号
' apostrophe 省略号,英文中省略字符用的撇号;所有格符号
% percent
- dash 破折号
‰ per mille
∞ infinity 无限大号
∝ varies as 与…成比例
( ) parentheses 圆括号
√ (squa