Decimal Expansion

Author

Eric W. Weisstein
April 14, 2004

This notebook downloaded from http://mathworld.wolfram.com/notebooks/Arithmetic/DecimalExpansion.nb.

For more information, see Eric's MathWorld entry http://mathworld.wolfram.com/DecimalExpansion.html.

©2005 Wolfram Research, Inc. except for portions noted otherwise

Enumeration

GridBox[Flatten/@Transpose[Partition[Table[{1/n,DecimalExpansion[1/n]//TraditionalForm},{n,30}],10]],
GridFrame->True,RowLines->True,ColumnLines->True,ColumnAlignments->Left]//DisplayForm

Periods

Enumeration

A051626

DecimalPeriod/@(1/Range[20])

Example

RealDigits[1+1/81]

RepeatingDecimal[1+1/81]

DecimalPeriod[1+1/81]