What is the Hindu Arabic numeral system made of?

Answer:
0, 1, 2, 3, 4, 5, 6, 7, 8, 9

It is the numeral system that we use today which replaced the Roman numeral system.
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First answer by David Gambell. Last edit by David Gambell. Contributor trust: 167 [recommend contributor recommended]. Question popularity: 1 [recommend question].