我的电子表格的部分片段:
Dixon Tamara tmdixon2 Anthropology SecurID 700
Portera Maria mportera Anthropology SecurID Software Token
Wallace Beth bethwall Anthropology SecurID Software Token
Hewitt Lisa lkhewitt Art SecurID 700
Hewitt Lisa lkhewitt Art SecurID Software Token
Koenig Becky bkoenig Art SecurID 700
Koenig Becky bkoenig Art SecurID Software Token
Moffitt Margaret mamoffit Art SecurID Software Token
Otto Keith keo Art SecurID 700
Otto Keith keo Art SecurID Software Token
Swiatek Deborah dswiatek Art SecurID Software Token
Leary Kevin krleary Arts Management Program SecurID Software Token
Dennison Jeffrey jdenn Biological Sciences SecurID Software Token
Helfer Joseph helfer Biological Sciences SecurID Software Token
Hollingsworth Margaret hollings Biological Sciences SecurID Software Token
我想使用一个公式来计算人类学中“SecurID 软件令牌”出现的次数,以及人类学中“SecurID 700”出现的次数,等等,适用于所有部门。我该使用什么函数?