The abacus was a great invention in ancient China and has been called by some Western writers the earliest calculating machine in the world. The abacus has a long history behind it. It was already mentioned in a book of the Eastern Han Dynasty, namely Supplementary Notes on the Art of Figures written by Xu Yue about the year 190 A. D.
Subordination and Non Disturbance Agreements, commonly referred to as âSNDAs,â are typically an agreement between a tenant, a landlord and the landlordâs lender.
sedation (sedÄÂ´shÉn), n the production of a sedative effect; the act or process of calming. sedation, conscious, n a condition induced by drugs or other means in which the patient retains a minimum level of consciousness while continuing to breathe on his or her own and to respond to verbal and physical prompts.