calculation!!

[#1]

Hi All,

             I need to  calculate   CAL column some values based on cat:

Res Id	101	102	103	104	105	cat	cal
1001	8	1	4	5	6	SV
1000	4	2	5	7	9	Tw

=(8*weight )+(102*weight)+(103*weight)+(104*weight)+(105*weight)multiply by 10 how i can write a expression here

[#2]

thank u for u support

Done same thing in application but Doesn't show the any values in my straight table 

i do any thing wrong !

send me u r email id if u interested i will send u application