The "greater than" sign is >. The "less than" sign is <. An easy way to remember these is that the larger value goes on the wider side of the symbol, the side with two points. The smaller value goes on the corner side of the symbol.
Continue ReadingGenerally, these symbols are used to show inequality between two values. They are first seen recorded in writing in the book "Artis Analyticae Praxis ad Aequationes Algebraicas Resolvendas" (The Analytical Arts Applied to Solving Algebraic Equations) by Thomas Harriot. He lived from 1560 to 1621, but his book was not published until 1631.
Learn more about NumbersThe concept of zero dates back to the Babylonians in 2000 B.C., but the actual symbol was fully developed in the fifth century A.D. The Sumerians, Babylonians, Mayans and Indians all invented the concept independently.
Full Answer >A numeric number, more commonly referred to as a numeral, is a symbol or name used to represent a number. A numeral may be expressed in words, such as seventy-five, or by arranging digits in a place-value system, such as by writing 75.
Full Answer >The number pi, represented by the symbol π, is used in everyday life to calculate the radius or circumference of circles and in design and construction. Pi is an irrational number, often approximated to 3.14, that was discovered by Greek mathematicians as a ratio to relate the diameter of a circle to the circumference.
Full Answer >The zero symbol first appeared around 2000 B.C. when the ancient Babylonians used it to mark that something was missing. As a concept and a number, however, the zero was invented in India around 650 B.C.
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