OpenOffice

數學公式 write
http://www.openoffice.com.tw/OOo_userguide/download/writer/Writer-16-%E6%95%B8%E5%AD%B8%E7%89%A9%E4%BB%B6.pdf

OpenOffice 常規表示法(Regular Expression)
https://help.libreoffice.org/Common/List_of_Regular_Expressions/zh-TW

統計

https://wiki.openoffice.org/wiki/Documentation/How_Tos/Calc:_Statistical_functions