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Topic: My broken calculator (II) (Read 421 times) |
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BNC
Uberpuzzler
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My broken calculator (II)
« on: Oct 21st, 2003, 9:09am » |
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You may remember my calculator broke down. Well, I tried to fix it -- unsuccesfully 
Again, only two functions work:
A: Squares a number (res -> res2)
B. This is a strange one. It takes the number, and adds the lower 3 digits to the rest of the number. For example, 245 would remain 245. 1245 would yield 1+245=246.
In addition, every time I turn it on it displays 203.
Starting from 203, and using just those two functions, is it possible to display 555?
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How about supercalifragilisticexpialidociouspuzzler [Towr, 2007]
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towr
wu::riddles Moderator
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Some people are average, some are just mean.
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Re: My broken calculator (II)
« Reply #1 on: Oct 21st, 2003, 9:35am » |
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on Oct 21st, 2003, 9:09am, BNC wrote:Starting from 203, and using just those two functions, is it possible to display 555?
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Not in less than 15 steps, and I haven't got any further yet.. And I suppose this isn't the way to answer the question..
A different approach ::203 is not divisable by 3, 555 is. function A and B both retain the 3-divisability, so going out on a limb I'd have to say it won't work::
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Wikipedia, Google, Mathworld, Integer sequence DB
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