Radians is there (on laptop at least). Never heard of gons before, but it's missing mils (used in the military as 1 mil with a radius of 1km subtends an arc of

Radians is there (on laptop at least). Never heard of gons before, but it's missing mils (used in the military as 1 mil with a radius of 1km subtends an arc of about 1m. Actually, never thought about whether the US military would use it, what with their funny units and all). Though I suppose a mil is a milli-radian.