Calculate Column in Report Studio

[nugget]

Hi Congos-Gurus,

i hope somebody can help me with my problem!?
Take a look at the attached file (jpg)

the columns with the green border is that what i have. now i want a new calculated column (red border) which the values of column "Auswertung über MSC erstellt" for each month as YTM Value has.

how can i get this

*i hope you understand my problem my english is not so good

[Gopinath]

Try a calculated field like

running-total(Auswertung über MSC erstellt)

[nugget]

nice work.

thx it works perfect.

i dont have this function in my functionlist in cognos 8.2 can you tell me why?

or can you tell me where i can get a complete functionlist?