table of subtraction up to 12

In this table of subtraction, the column operand is first and the row operand is second.

$-$	1	2	3	4	5	6	7	8	9	10	11	12
1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$	$-7$	$-8$	$-9$	$-10$	$-11$
2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$	$-7$	$-8$	$-9$	$-10$
3	2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$	$-7$	$-8$	$-9$
4	3	2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$	$-7$	$-8$
5	4	3	2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$	$-7$
6	5	4	3	2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$	$-6$
7	6	5	4	3	2	1	0	$-1$	$-2$	$-3$	$-4$	$-5$
8	7	6	5	4	3	2	1	0	$-1$	$-2$	$-3$	$-4$
9	8	7	6	5	4	3	2	1	0	$-1$	$-2$	$-3$
10	9	8	7	6	5	4	3	2	1	0	$-1$	$-2$
11	10	9	8	7	6	5	4	3	2	1	0	$-1$
12	11	10	9	8	7	6	5	4	3	2	1	0

The longest northwest to southeast diagonal obviously contains zeroes.

Title	table of subtraction up to 12
Canonical name	TableOfSubtractionUpTo12
Date of creation	2013-03-22 16:36:11
Last modified on	2013-03-22 16:36:11
Owner	PrimeFan (13766)
Last modified by	PrimeFan (13766)
Numerical id	6
Author	PrimeFan (13766)
Entry type	Data Structure
Classification	msc 11B25
Classification	msc 00A05
Classification	msc 00A06