Hi Sankameshwar,
Yes, the online help is the right one.
For 0FISCPER, you may do the same as 0CALMONTH via 0CALDAY.
As there is 0FISCPER, there is definitely 0FISCVARNT. So you may use 0CALDAY and 0FISVARNT to derive 0FISCPER as well.
Best regards,
Sheldon.