Brian Dunning's FileMaker Custom Functions

DecimalToBinary ( Decimal ; Blank )

convert any positive integer to binary

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Rob Poelking   Rob Poelking
Excelisys, Inc.
http://excelisys.com

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  Sample input:
DecimalToBinary ( 10 ; "" )
  Sample output:
1010

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Use to convert any positive integer (base10) to binary (base2) value.

 

Comments

MB   MB, Holland
Feb 8, 2017
If you don't want to use the extra parameter fot tail recursion try:
Let ( [
n = Int ( dec ) ;
x = Ln ( n ) / Ln ( 2 ) ;
p = Int( x )
] ;
Case ( n > 0 ; 10^p + dec2bin ( n – 2^p ) )
)
 

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