Can you name the possible combinations that can be obtained by Two 2s along with any Mathematical Operator? by uddhav

Can you name the possible combinations that can be obtained by Two 2s along with any Mathematical Operator?

created by uddhav

Enter a Combination in the box below
Correctly named Combinations will show up below
Answers do not have to be guessed in order
You can Even Join Them. Please Specify upto 2 decimal places.One Operator is only being used once(it can be used with others) otherwise infinite numbers will be formed. Negative Numbers Are Omitted
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Show Missed Answers

Combination/Result	Explaination
	2 or 2! or Square root of 2+2
	2 + 2 or 2 × 2 or 2^2
	2 - 2
	2 / 2
	Square Root of 2 or 2/ Square Root of 2
	2 + Square Root of 2
	2 - Square Root of 2

Combination/Result	Explaination
	2 * Square Root of 2
	Square Root of 2 / 2
	22
	Square Root of 22
	(2+2)!
	22!

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Two 2s Quiz

by uddhav

Created May 1, 2010 in Science
Game Plays 335

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	Iridium:	May 1st, 2010 at 05:56 GMT	1 point
	I don't think I've ever slapped myself as hard as I did when I saw I missed 22.

	Matty:	May 1st, 2010 at 15:17 GMT	0 points
	Why does your squaring take a 2 but your square rooting not take a 2? Remembering square root is 2^(1/2).

	betterspud:	May 1st, 2010 at 15:35 GMT	2 points
	How can you include processes that use more than one operator? Description needs to be changed to reflect this. Also, if you can have 2-Root 2, then you should also have Root 2-2. And what about 2/Root 2 and Root 2/2, or for that matter Root(2*2) or Root(2+2), etc. I think the inclusion of more than one operator was a bad choice unless you include all of the myriad of possibilities.

	uddhav:	May 1st, 2010 at 18:19 GMT	-1 points
	I actually meant not using a single operator twice

	uddhav:	May 1st, 2010 at 18:29 GMT	-1 points
	And Others are excluded because the answer will be negative

	puckett86:	May 1st, 2010 at 19:06 GMT	3 points
	How exactly does 22 use a mathematical operator? "Joining" is not a mathematical operation. Also, you forgot 24 = (2*2)!

	moominpaul:	May 1st, 2010 at 19:33 GMT	1 point
	natural logs and exponentials?

	Trek222:	May 1st, 2010 at 20:11 GMT	3 points
	what about .25? 2^-2. Or if you don't want to use -2, you can just say (2^2)^-1 as inverse is generally considered a basic operation. And (2+2)! is not 720, its 24. 720 is 6!

	jgd2w:	May 7th, 2010 at 04:19 GMT	1 point
	What about trig functions or logs? It's not really fair to expect people to know these numbers off the top of their heads and breaking out a calculator for a quiz isn't fun/interesting.