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In addition to being the 18th letter of the Greek alphabet, sigma also means 'sum' and 'deviation' in themathematics world.
The plus sign is written as a cross of horizontal and vertical lines: + The plus sign indicates addition operation of 2 numbers or expressions.
It is approximately equal to 3.14159. It has been represented by the Greek letter "π" since the mid-18th century, though it is also sometimes spell...
The percent (per cent) sign (%) is the symbol used to indicate a percentage, a number or ratio as a fraction of 100.
The multiplication sign, also known as the times sign or the dimension sign is the symbol ×.
The equals sign or equality sign (=) is a mathematicalsymbol used to indicate equality.
In mathematics, an inequality is a relation that holds between two values when they are different. The notation a ≠ b means that a is not equal to b.
A minus sign is put between two numbers in order to show that the second numberis being subtracted from the first one.
The triangular Deathly Hallows symbol is comprised of theElder Wand, the Resurrection Stone and the Cloak of Invisibility. Whoever possesses all th...
An obelus is a symbol consisting of a short horizontal line with a dot above and below.
Batman is a fictional superhero appearing in American comic books published by DC Comics.
In music, a note is the pitch and duration of a sound, and also its representation in musical notation. A note can also represent a pitch class.
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