i think this must be my first contribution to wikipedia anywhere so be kind to me i have to own up to being a newby at javascript though i have been in computing since the s i would be grateful for any suggestions or comments about my attempt to insert a description of the math object the place where this appears seems to need no more than this description does it perhaps there should be more elsewhere about doing arithmetic e g there is no discussion of operator precedence or of rounding errors wogga