rupees, of course
what Englishman introduced the pi symbol, and in what year
ymkg
Rupees, the symbol for it is Rs so suck it and leave
d.uday kumar
The symbol: % comes from an Italian abbreviation of their word, per cento
It was introduced in 1972 and depicts a symbol of wisdom
The copyright symbol was introduced in 1909. It was introduced to place on written works to protect the content from being taken by others and used as their own work.
The radical symbol for square root, without the vinculum above the radicand, was introduced in 1525. The first author to use it was Christoff Rudolff.
Pi as a mathematical symbol was introduced by William Jones in 1706
Leonhard Paul Euler
The pi symbol was introduced in 1706 by William Jones. The usage of the symbol was popularized by Leonhard Euler. He adopted it in 1737.