Crossword clue: scottish mathematician who invented logarithms; introduced the use of the decimal point in writing numbers (1550-1617)

The most common answer is napier (6 letters).

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

napier 6 letters wn-def

Scottish mathematician who invented logarithms; introduced the use of the decimal point in writing numbers (1550-1617)