table of subtraction up to 12
TableOfSubtractionUpTo12
2007-01-19 17:59:55
2007-01-20 12:45:40
Data Structure
subtraction
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In this table of subtraction, the column operand is first and the row operand is second.
\begin{tabular}{|c|l|l|l|l|l|l|l|l|l|l|l|l|}
$-$ & 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\\
\end{tabular}
The longest northwest to southeast diagonal obviously contains zeroes.