In this book you will witness the scientific studies discoveries and/orinventions of ThābitibnQurrah themostimportantmathandastronomyscholar of theninthcentury.ThābitibnQurrah who is known as theTurkish Euclid in the West and who found the differential calculation earlier than Newton found calculus a branch of mathematics.He went down in history as a scientist calculating the length of the equator.How about setting out on an exciting time travel to get to know Pioneering Scientist Thābit ibn Qurrah better?