To Napier seems to be due the first use of the decimal point in arithmetic. Decimal fractions were first introduced by Stevinus in his tract La Disme, published in 1585, but he used cumbrous exponents (numbers enclosed in circles) to distinguish the different denominations, primes, seconds, thirds,
disme הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד