It's just a vertical bar, which looks a lot like a one in our number system.
In Egypt.
the Egyptians
Egyptian hieroglyphics are really complicated Roman numerals, and Roman numerals are just amature hieroglyphics.
Egypt
Egyptian numerals were primarily used in ancient Egypt for various purposes such as counting, record-keeping, and astronomical calculations. They were also used in trade and commerce. However, with the rise of the Arabic numeral system, Egyptian numerals eventually fell out of common use and were replaced by the more widely adopted Arabic numerals.
Because if someone else had invented them then they would not be called Egyptian numbers!
In the year 3000BC, Egyptians used them.
Yes, they are still used by the Egyptians themselves.
So-called Arabic numerals make it possible to perform mathematical operations, like division and subtraction, unlike the clumsy Roman numerals which were only useful for stating numbers, not for crunching them. For one thing, Arab numerals include the zero, which Roman numerals do not.
hieroglyphic. Egyptian hieroglyphic
This computer lacks a Egyptian font; however, suppose we use a Greek version and say that "I" represents One' "D" Ten and "H" One Hundred. "864" would look like this: IIIIDDDDDDHHHHHHHH Not that the higher values are on the right, the reverse of the way we do it.
Egyptian numbers are ancient, dating from about 3000 BC or more than 5,000 years ago. They are found in the oldest examples of hieroglyphics.