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Conclusion if the notarial instrument of A. Viacq summoning E. de Decker to finish
calculations, Dec. 31, 1626. (Gouda, SAMH, ONA Gouda, inv.no. 113, akte 88)
✓1 .4* X'.
3
3. 1625, Dec. 27: Viacq signs contract with De Decker to have him calculate the
still missing parts for the "Great Table", see [21]
4. 1625, Dec. 29: Viacq contracts Rammaseyn to print the "Great Table", see [21]
5. 1626, Sept. 4: De Decker publishes the Eerste dee! van de Nieuwe Te/konst
about non-logarithmic arithmetic, [4a], with reprints of existing logarithmic
tables, [4b]
6. 1626, Dec. 31: Viacq summons De Decker by notary to finish calculations, see
[21]
7. 1627, Oct. 2: De Decker has prepared for publication the Tweede dee! van de
Nieuwe Teikonst, containing the "Great Table", see [5] and [22]
8. 1628: Viacq publishes Arithmetica Logarithmica, Ed. 2, containing the "Great
Table", including new trigonometrical logarithms, see [6]
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