The Romans devised a number system which could represent all the numbers from 1 to 1,000,000 using only seven symbols
{"Image DocumentName": "The Romans devised a number system which could represent all the numbers from 1 to 1,000,000 using only seven symbols", "Image ImageDescription": "I = 1. V = 5. X = 10. L = 50. C = 100. D = 500. M = A small bar placed above a symbol indicates the number is multiplied by 1000.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}