NOT KNOWN FACTUAL STATEMENTS ABOUT COMPUTERSERVICE

Quite a few mechanical aids to calculation and measurement ended up produced for astronomical and navigation use. The planisphere was a star chart invented by Abū Rayhān al-Bīrūnī from the early eleventh century.[eight] The astrolabe was invented while in the Hellenistic entire world in both the 1st or 2nd centuries BCE and is often attributed