This is post is part of set 2 of A Ramble Around CS. Counting in tens, like a normal human We humans have 10 fingers, and we use ten digits for counting: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9. You can imagine that counting up works kind of like a car odometer. We have wheels with 10 digits on each of them, 0–9. We turn the right-most wheel one digit to add one: 00000000000010000010000012000002 box fill 0x333333 color 0xEEEEEE fit "0" bold fit box same "0" bold; box same "0" bold; box same "0" bold; ...