Science & Technology at the time of Gupta Period:

-Aryabhatta was the first to use decimal system, though he was not its originator.

-He formulated the rule for finding out the area of triangle. Which led to the origin of Trigonometry.

-He found the causes of Lunar & Solar eclipses, Calculated the Circumference of earth which is still almost correct.

-He declared that all things fall to the earth by law of nature, it is the nature of the earth to attract & keep things even before Newton .

-He developed rules for operating with zero and negative quantities.

-Guptas excelled in metallurgy. The Iron pillar at Mehrauli remains without rusting for centuries now.