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Broken Calculator (Posted on 2005-01-20) Difficulty: 3 of 5
You have a calculator whose multiplication button is broken. The only operations that work are addition (x+y), subtraction (x-y), and reciprocation (1/x).

Can you use this calculator to multiply two numbers?

See The Solution Submitted by David Shin    
Rating: 3.6250 (8 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
simple solution (probably not what's being looked for) | Comment 1 of 14
I suppose the easy, and therefor incorrect, answer is to use the addition button however many times it takes to multiply x by y.
  Posted by Erik O. on 2005-01-20 20:22:20
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