ABOUT VEDIC MATHS
Vedic Maths is derived from our Vedas. There are 4 Vedas viz. The Yajurveda, The Samaveda, The Arthaveda and The Ridveda. The Vedas are sub-divided into 4 Upavedas viz. The Ayurveda [deals with Medical Sciences] The Dhanurveda [deals with archery & other military sciences] The Gandharvaveda [science& art of Music & Dance]and The Sthapatyaveda [Engineering, Architecture, Science, etc.] Mathematics is derived from The Sthapatyaveda. Mathematics is very important for Engineering, Architecture & Science.
It is an ancient technique used for speedy & accurate calculations based on Sutras & sub-sutras.