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. 2013 Dec 16;111(4):1322–1327. doi: 10.1073/pnas.1309160110

Table 2.

Addition table for (A) the basic numbers from 1 through 10, and (B) the multiples of 10 up to 80

graphic file with name pnas.1309160110t02.jpg

Note: Basic numerals up to 9 are represented by digits, larger numerals by letters (monolexemic words are represented by monosymbolic letters, with K = takau, P = paua, T = tataua, and V = varu). Basic facts to be known for arithmetic are framed by bold lines (for half of the table only as addition is commutative; the remainder is shaded); the unmarked results are obtained by simple joining and/or transformation, as detailed in Addition.