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February 4th, 2012, 01:24 PM  #1 
Joined: Aug 2011 Posts: 85 Thanks: 1  Question about a calculator button
I know the purpose of all the function on my scientific calculator except this: It's the highlighted one with the dot and three commas. What does it do? 
February 4th, 2012, 04:25 PM  #2 
Math Team Joined: Jul 2011 From: North America, 42nd parallel Posts: 3,009 Thanks: 133  Re: Question about a calculator button
perhaps degrees minutes seconds. Put in 62.55 and press the button, tell me what you get, 
February 5th, 2012, 12:43 PM  #3  
Joined: Aug 2011 Posts: 85 Thanks: 1  Re: Question about a calculator button Quote:
1st press: same number, 62.55 2nd press: 63.5925 3rd press: 63.61016... 4rth press: same 5th press: 64.67033... 6th press: 64.68829... 7th press: same Every two operations it returns the same number (or does not operate?). What do you make out of it?  
February 5th, 2012, 12:59 PM  #4 
Math Team Joined: Jul 2011 From: North America, 42nd parallel Posts: 3,009 Thanks: 133  Re: Question about a calculator button
hmmm.... do this... put 62 press button put 0.55 press button tell me what you get? 
February 5th, 2012, 02:27 PM  #5 
Joined: Aug 2011 Posts: 85 Thanks: 1  Re: Question about a calculator button
62 > 63.0333... recurring 0.55 > 0.5591666... recurring 
February 5th, 2012, 08:07 PM  #6 
Math Team Joined: Jul 2011 From: North America, 42nd parallel Posts: 3,009 Thanks: 133  Re: Question about a calculator button
I'm stumped, but i have seen this calculator before...it's a casio...am i right? try this site if i'm right... http://support.casio.com/manuallist.php?rgn=5&cid=004 
February 6th, 2012, 06:30 AM  #7 
Joined: Aug 2011 Posts: 85 Thanks: 1  Re: Question about a calculator button
Thanks. It converts numbers to Sexagesimal (base 60). What you initially suggested. 

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