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The World Health Organization (WHO) has introduced a TDI for melamine as 0.2 milligrams (mg)/kg body weight (b.w.) as of 2008. [5] Similarly the established TDI range for dioxin according to WHO is 1-4 picograms toxic equivalency/kg body weight as of 1998. [6]
The Electronic Delay Storage Automatic Calculator (EDSAC) was an early British computer. [1] Inspired by John von Neumann 's seminal First Draft of a Report on the EDVAC , the machine was constructed by Maurice Wilkes and his team at the University of Cambridge Mathematical Laboratory in England.
Pascaline (also known as the arithmetic machine or Pascal's calculator) is a mechanical calculator invented by Blaise Pascal in 1642. Pascal was led to develop a calculator by the laborious arithmetical calculations required by his father's work as the supervisor of taxes in Rouen . [ 2 ]