(Added a riddle)
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* Come up with an algorithm that counts down from a number but does not employ the use of a minus sign or any form of subtraction. There are several [http://stackoverflow.com/questions/763832/programming-riddle-counting-down-without-subtracting solutions] to this problem.
 
* Come up with an algorithm that counts down from a number but does not employ the use of a minus sign or any form of subtraction. There are several [http://stackoverflow.com/questions/763832/programming-riddle-counting-down-without-subtracting solutions] to this problem.
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How can you add eight 8's to get the number 1,000? (only use addition)
  
 
[[Category:MA375Spring2010Walther]]
 
[[Category:MA375Spring2010Walther]]

Revision as of 12:41, 26 January 2010

Post a mathematical riddle.

  • Come up with an algorithm that counts down from a number but does not employ the use of a minus sign or any form of subtraction. There are several solutions to this problem.


How can you add eight 8's to get the number 1,000? (only use addition)

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Ph.D. 2007, working on developing cool imaging technologies for digital cameras, camera phones, and video surveillance cameras.

Buyue Zhang