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 set decimals to     Establish the number of decimal places displayed
------------------------------------------------------------------------------
 Syntax
   set decimals to uDecimals

 Arguments
   uDecimals is a numeric expression determining the decimals setting.

 Description
   The set decimals to command establishes the number of decimal places
   displayed for double-precision values.

   The range for uDecimals is 0 to 15. The default value is 2. The
   set decimals to command has an effect only when set fixed is on,
   otherwise all non-zero decimal digits are displayed.

 Example
   #define EXAMPLE_MATH
   #include example.hdr

   proc Test_setdecimalsto
   vardef
      uint n
   enddef
   ? 15, CONST_E      // all non-zero decimals displayed
   set fixed on       // without this call set decimals to has no effect
   ?  2, CONST_E      // corresponds to the default setting of 2
   for n := 0 to 15
      set decimals to n
      ? n, CONST_E
   next
   endproc

   proc main
   Test_setdecimalsto()
   endproc