How did the Romans use the constellation Corvus?

The word "corvus" means raven or crow. The Romans taught the ravens to talk, as in the story where Augustus bought a raven whose owner had taught it to say "Hail, Augustus, the victor". However in...

the romans used roman numerals like we use numbers but not as many people could write.

To have a social Bath

It was the bes they could come up with at the time. It was only later that someone came up with the concept of the decimal system and the place in the row of digits being important to denominate the...

They used them to tell time, to measure farm fields, and to count stuff.