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	Strings made from three characters		2019-12-10
		Kelley pose la question : Hi, I vaguely remember some formula for determining all the possible combinations of a set of numbers (or whatever). If I have 3 numbers (0 - 2), then I have 0, 1, 2, 00, 01, 02, 10, 11, 12, 20, 21, 22, 000, 001, 002, 010, 011, 012, 020, 021, 022, 100, 101, 102 and so on. What is the formula for determining all potential results? Thank you!! Kelley Penny Nom lui répond.
	Strings of characters		2015-12-28
		Ali pose la question : If I have an app and offer a two, three and four digits name and it can be only number, letters or both? I want to know how many options will I have for each? For example the two digits: aa, 11, a1 or 1a the three digits: 111, a2a, 222 the four digits: 1111, 2ge3 or 1234 So if I used all the letters and all the numbers but nothing starts with a zero How can I calculate them separately? Or what's the result for each? Thank you Ali Penny Nom lui répond.
	Two characters		2006-09-12
		Robert pose la question : I am looking to find out how many possible unique combinations I can have if at any time i can use only two characters of numbers or the alphabet...For ex., i can have 1-99 or i can have a1, a2, z1, z2 ... or i can have aa, ab, ac... i came up with possible combinations of 1295 or so... can you help? Penny lui répond.
	A 6 character field		2001-05-16
		A parent pose la question : I have a 6 character field that can use any combination of alpha-numeric characters (A-Z, 0-9). How many total combinations are possible? Penny Nom lui répond.

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