Doidecimal Add & Multiply tables.
Reason for choice of additional symbols Explained here

Last Up date: 2017 December 20 nuMacMini work/gd/lafarr/math
Started: 2017 December 20.

Addition Table

0   1   2   3   4   5   6   7   8   9   [   ]
1   2   3   4   5   6   7   8   9   [   ]  10
2   3   4   5   6   7   8   9   [   ]  10  11
3   4   5   6   7   8   9   [   ]  10  11  12 
4   5   6   7   8   9   [   ]  10  11  12  13
5   6   7   8   9   [   ]  10  11  12  13  14
6   7   8   9   [   ]  10  11  12  13  14  15
7   8   9   [   ]  10  11  12  13  14  15  16
8   9   ]   ]  10  11  12  13  14  15  16  17
9   [   ]  10  11  12  13  14  15  16  17  18
[   ]  10  11  12  13  14  15  16  17  18  19
]  10  11  12  13  14  15  16  17  18  19  1[

The Add table iike a decimal add table is so simple it was not on the back of a school notebook, But the Multiple Table was. An Add Table is here for those who think well only in base ten!

Multiply Table

1   2   3   4   5   6   7   8   9   [   ]
2   4   6   8   [  10  12  14  16  18  1[
3   6   9  10  13  16  19  20  23  26  29
4   8  10  14  18  20  24  28  30  34  38
5   [  13  18  21  26  2]  31  36  4]  51
6  10  16  20  26  30  36  40  46  50  56
7  12  19  24  2]  36  41  48  53  5[  65
8  14  20  28  34  40  48  54  60  68  74
9  16  23  30  39  46  53  60  69  76  83
[  18  26  34  42  50  5[  68  76  84  92
]  1[  29  35  47  56  65  74  83  92  [1
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