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Q11325 - INFO: SFR

SFR formats the value to significant figures (digits) as specified.  

SYNTAX:

SFR(Value,SignificantDigits,MaxDecPlaces,RoundType)

Value:  Value to be formatted.  Can be value, cell reference, or another function.

SignificantDigits: Number of Significant Figures (Digits)

MaxDecPlaces: Maximum number of Decimal Places.

RoundType: Sets rounding type.  See Scientific vs Normal Rounding for more info on rounding.  Valid settings are:

1 - Scientific
2 - Normal
3 - Truncate

 

NOTES:

This function can be placed by using the Format, Rounding menu option. Rules for significant figures:

  • Digits from 1-9 are always significant.
  • Zeros between two other significant digits are always significant
  • One or more additional zeros to the right of both the decimal place and another significant digit are significant.
  • Zeros used solely for spacing the decimal point (placeholders) are not significant.

SEE ALSO:  GPREC, GDP, SFRZ, DPC

EXAMPLES:

Value Formula Result
124.2000 SFR(B3,3,3,1)  124
5.7766 SFR(B4,3,3,1)  5.78
4.6662 SFR(B5,3,1,1)  4.7
24.5000 SFR(B6,2,3,1)  24
28 SFR(B6,3,3,1) 28.0
28.5000 SFR(B7,3,3,2) 

28.5

3.0447 SFR(B7,4,2,2)  3.05

Why was the last one 3.05? Examining our formula we see we wanted 4 significant digits, therefore the function narrows our number from 3.0447 to 3.045 first. Then the function rounds 3.045 by rule #2 to 2 decimal places - giving us 3.05.

 

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Created on 6/5/2008 11:40 AM.
Last Modified on 1/25/2016 1:29 PM.
Last Modified by Scott Dorner.
Article has been viewed 2862 times.
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