# remaining entries define unit specifications [(function, argument), units, description]
# where function can be m and argument is the multiplying factor to_base
# or function can be any other arbitrary function and argument can be a single argument
# remaining entries define unit specifications [(function, argument), units, description]
# where function can be m and argument is the multiplying factor to_base
# or function can be any other arbitrary function and argument can be a single argument