What contribution did John Napier make to arithmetic?
Introduced the Square Root
Promoted use of Decimal Point
Invented the Fraction Bar
Pioneered Use of Letters for Unknowns
Answer
John Napier promoted the use of the decimal point. Prior to Napier's work, many people used a variety of notations for decimals, which made it difficult to compare numbers and perform calculations. Napier's use of the decimal point made it easier to write and read numbers, and it helped to standardize the way that decimals were used.
Cracking the Code: The John Napier Quiz
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