![]() ![]() The same principal was used with the calendar, however, the upmost dot represented a multiple of eighteen. twenty-three would be expressed with a dot over three dots). In Mayan numerals, numbers over nineteen were expressed with a dot representing a multiple of twenty (ie. Mayan mathematics are used today in our calendar. The Babylonian number system was fairly simple, because it only used two symbols: a pointed down wedge for 1 and a pointed to the left wedge for 10. the Babylonians used the symbol < to represent the number we symbolize by 10. These were found on many stone tablets used for mathematical calculations. – Sets of five (lines) are placed horizontally at the bottom and the ones (dots) are placed above it The Babylonian number system was of a base-60 design. – Three different number symbols – zero is a shell, one is a dot and five is a line – Base-20, as the Mayans counted using their fingers AND their toes tion for writing Babylonian numbers, in which commas separate the sexagesi. Once again, this number system is used to count. also stand for 40 × 602 + 13 × 60 144,780 or they could mean 40/60 +. One big advantage of a base-60 number system is that it is a highly composite number. Modern usage of the Babylonian number system can be found in time: sixty seconds in a minute, sixty minutes in an hour, and 360 degrees in a circle. – Number of tens written on the left, number of units on the right – The value of the digit is determined using the digit itself and the positioning of it The distinctive features of Babylonian numerals include: A base-60 number system proved much easier for calculations, as, previously, each number up to ten had a different symbol. As it is with most other number systems, the main purpose of the Babylonian numerals was to count. Date Reproducible 10 Numerals from Babylonia Over 5000 years ago in the land now called Iraq, the Sumerian. ![]()
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