In 1903, Marie and Pierre Curie were awarded half the Nobel Prize in Physics. The citation was, in recognition of the extraordinary services they have rendered by their joint researches on the radiation phenomena discovered by Professor Henri Becquerel..
Elementary algebra is the most basic form of algebra. 1  It is taught to students who are presumed to have no knowledge of mathematics beyond the basic principles of arithmetic. In arithmetic, only numbers and their arithmetical operations (such as +, â, Ã, Ã·) occur.
In the Arab worldâuntil modern timesâthe Arabic numeral system was used only by mathematicians. Muslim scientists used the Babylonian numeral system, and merchants used the Abjad numerals. It was not until Fibonacci that the Arabic numeral system was used by a large population.