Origin of logarithmModern Latin logarithmus ; from Classical Greek logos, a word, proportion, ratio (see logic) + arithmos, number (see arithmetic)
Origin of logarithmNew Latin logarithmus : Greek logos, reason, proportion; see leg- in Indo-European roots + Greek arithmos, number; see ar- in Indo-European roots.
- log′a·rith′mic , log′a·rith′mi·cal
- (mathematics) For a number , the power to which a given base number must be raised in order to obtain . Written . For example, because and because .
- For a currency which uses denominations of 1, 2, 5, 10, 20, 50, 100, 200, 500, 1000, etc., each jump in the base-10 logarithm from one denomination to the next higher is either 0.3010 or 0.3979.
From New Latin logarithmus, term coined by Scot mathematician John Napier from Ancient Greek Î»ÏŒÎ³Î¿Ï‚ (logos, “word, reason") and á¼€ÏÎ¹Î¸Î¼ÏŒÏ‚ (arithmos, “number").
logarithm - Computer Definition