Dears,
I have the following table:
<tbody>
Name/Month
1
2
5
4
Nissan
100
140
120
30
Honda
45
456
4
841
Toyota
4
7
46
26
</tbody><colgroup><col><col span="4"></colgroup>
What I'm trying to do is to sum numbers in this table based on some criteria for rows and columns.
For example, I...