A day-to-day tool for high school and college. How
to determine logs with 5-decimal accuracy and no
effort.
Extended version of the 3-folded hardpaper leaflet.
A must have at the time.
I keep it close since it isn't available more any publisher any more.
Extended version of the 3-folded hardpaper leaflet.
A must have at the time.
I keep it close since it isn't available more any publisher any more.
