lower
Change upper case letters in strings to lower case.
L=lower(s)
Inputs
s A string or an array of strings.
Outputs
L An array of strings of the same size as the input. Each element of the output is a modification of the corresponding element of the input, with the upper case letters replaced by the corresponding lower case letters.


Example
>>lower({"SMALLTALK","OAK","JAVA"})
  smalltalk
  oak
  java