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How many digits are there in left of dot of 0.0001 ?

JS Huang 
Hi, 
  
  Some modification to work for both positive and negative number:

nchar(format(*abs*(a),scientific=FALSE))-(trunc(log10(max(1,trunc(abs(a)))))+1)
-1.



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ce How many digits are there in left of dot of 0.0001 ? Feb 26 JS Huang How many digits are there in left of dot of 0.0001 ? Feb 26