News for hackers. Stuff that matters.
Re:16-bit math look-up tables – the unexpected power of scal... by emersonrsantos on Saturday April 01, 2017 @05:51PM (#14014366)
Āryabhaṭa's sine table, the first known mathematical LUT, was made around 500 DC:

https://en.wikipedia.org/wiki/Āryabhaṭa's_sine_table

Re:16-bit math look-up tables – the unexpected power of scal... by jacobolus on Saturday April 01, 2017 @06:17PM (#14014484)
> first known mathematical LUT

Babylonian multiplication and reciprocal tables are about 2500 years older.

For that matter, Hipparchus and Ptolemy’s chord tables are also centuries older, https://en.wikipedia.org/wiki/Ptolemy's_table_of_chords