>I have grid PAYROLL which represent the daily wages of each worker.
>In the grid is a column WAGES.
>Say, how can I get the sum of Peter's wages which is the sum of the column WAGES.
>I have tried SUM... as advised but it just sum up the all wages of everyone :(
>
>Could anybody help? I would like to avoid using SQL.

Look at the FOR or WHILE clause in the SUM and CALCULATE SUM() commands.

Is there a reason to avoid SQL besides inexperience?