Eg. Average etc.
2.) Look up and Reference
Eg. Vlookup, Xlookup etc
3.) Financial
Eg. Yield etc.
4.) Date and Time
Eg. Day, Year etc.
5.) Database
Eg. Dcount, Dget etc.
6.) Text
Eg. Textjoin, Char, Clean etc.
7.) Logical
Eg. And, Or, If etc.
8.) Information
Eg. Iserror, Isblank etc.
9.) User Defined
Eg. SolverurOk
10.) Engineering
Eg. Convert etc.
11.) Maths and Trigonometry
Eg. ABS etc.
12.) Cube
Eg. Cubeset, Cubevalue etc.
13.) Compatibility
Eg. Ceiling, Rank etc.
14.) Web
Eg. EncodeUrl, FilterXML, Webservice
