Islam instructs to use his powers of intelligence and observation. Within a few years of the spread of , civilizations and universities were flourishing. The synthesis of Eastern and Western ideas, and of new thought with old, about great advances in medicine, mathematics, physics, astronomy, geography, architecture, art, literature, and . crucial systems, such as algebra, the Arabic numerals, and the concept of zero (vital to the advancement of mathematics), were transmitted to medieval Europe from the . Sophisticated instruments which were to make possible the European voyages of discovery, such as the astrolabe, the quadrant, and navigational maps, were also developed by .
The Astrolabe: One of the most important scientific instruments developed by
Muslim physicians paid much attention to surgery and developed surgical instruments as seen in this old manuscript.