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List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...
∞ is a symbol used to represent unending amounts. Either plus or minus depending on the situation. If y= [+|-]x then x is either positive or negative depending on the situation. y= [+|-]x y equals either +x or -x depending on the scenario.
SymbolNameRead AsMeaning=Equalis equal toIf x=y, x and y represent the same value ...≡Definitionis defined asIf x≡y, x is defined as another name of ...≈Approximately equalis approximately equal toIf x≈y, x and y are almost equal.≠Inequationdoes not equal, is not equal toIf x≠y, x and y do not represent the same ...Here are the most common geometrical symbols: The angle formed by ABC is 45 degrees. 360 degrees (a full rotation!) Is really saying: "In triangle ABC, the angle BAC is a right angle" For angles the central letter is where the angle is. The point "B" is where the angle is.
SymbolMeaningExampleIn Words△△ABC has 3 equal sidesTriangle ABC has three equal sides∠∠ABC is 45°The angle formed by ABC is 45 degrees.⊥AB⊥CDThe line AB is perpendicular to line CD∥EF∥GHThe line EF is parallel to line GH± (plus–minus sign) 1. Denotes either a plus sign or a minus sign. 2. Denotes the range of values that a measured quantity may have; for example, 10 ± 2 denotes an unknown value that lies between 8 and 12. ∓ (minus-plus sign) Used paired with ±, denotes the opposite sign; that is, + if ± is –, and – if ± is +.
Plus and minus are Latin terms meaning "more" and "less", respectively. The forms + and − are used in many countries around the world. Other designs include ﬩ for plus and ⁒ for minus. Though the signs now seem as familiar as the alphabet or the Hindu–Arabic numerals, they are not of great antiquity.
Common Mathematical Symbols + Addition, Plus, Positive. The addition symbol + is usually used to indicate that two or more numbers should be added together, for example, 2 + 2. The + symbol can also be used to indicate a positive number although this is less common, for example, +2.
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Oct 3, 2024 · A plus sign (+) can tell you if you are adding cash to your bank account, while a minus sign (-) may indicate trouble ahead—that you are subtracting funds and possibly in danger of running out of money.
