This is not a bug. >From the man-page: $ man bc | fgrep -A5 "expr * expr" expr * expr The result of the expression is the product of the two expressions.

expr / expr The result of the expression is the quotient of the two expressions. The scale of the result is the value of the variable scale. So expr * expr is not scaled but expr / expr is scaled. Regards Martin On 14 February 2018 at 07:52, Thomas Bracken <t.brac...@shaw.ca> wrote: > Hello, > > Your BC calculator does not do any truncation for the scale value > > when it does a multiplication. See example below. > > It works fine on division, but not on multiplication. > This is not a bug. >From the man-page: $ man bc | fgrep -A5 "expr * expr" expr * expr The result of the expression is the product of the two expressions. expr / expr The result of the expression is the quotient of the two expressions. The scale of the result is the value of the variable scale. Regards Martin