记录数学和技术相关的表达方式。
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键盘字符
`grave, backtick 反引号~tilde[ˈtɪldə]，波浪线!exclamation, bang, 叹号@at#pound, hash$dollar%percent^carat(克拉), hat, exponent(指数)&and, ampersand*asterisk(星号)(open parenthesis, left parenthesis)close parenthesis, right parenthesis()parentheses, round brackets(括号)-dash(破折号)，hyphen(连字符), minus(减号)_underline, 下划线=equal sign+plus sign[]brackets, square brackets[open bracket]close bracket{}braces, curly brackets{open brace}close brace\backslash, backward slash|vertical pipe, pipe;semicolon:colon'apostrophe, prime, single quote 单引号"quotation mark, double quotes 双引号,comma.period, decimal, dot/slash, forward slash<>angle brackets<less than>greater than?question mark
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[1, 100)- 1 到 100 的左闭右开区间
- 1 inclusive through 100 exclusive section
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a^b- a 的 b 次幂(方)
- a to the power of b