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Fx-550: What Is Sd Mode And How To Use It?

FX-550 SD howto

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#1 schoenmaker

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Posted 26 February 2015 - 04:00 PM

FX-550: what is SD mode and how to use it?

Have an FX-550 - almost everything is straightforward, except the SD-mode. Think it refers to the statistical standard deviation but how can one enter data e.g. ?

What exactly is different when SD is switched on (SHIFT key  + MODE)?



#2 pan.gejt

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Posted 26 February 2015 - 05:33 PM

SD mode is for performing statistical calculations

 

Switch the calc to SD mode (maybe INV + mode?) 

Before starting statistical calculations press INV+SAC to clear statistics register.

 

here is a scan of fx-880 operation manual,

http://www20.zippysh...pbFGx/file.html






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