The decimal digits are 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; the decimal separator is the dot "." in many countries, but also a comma "," in other countries
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1 Satoshi= 0.00000001 ฿
10 Satoshi= 0.00000010 ฿
100 Satoshi= 0.00000100 ฿= 1 Bit / μBTC (you-bit)
1,000 Satoshi= 0.00001000 ฿