Typographical symbols and punctuation marks are marks and symbols used in typography with a variety of purposes such as to help with legibility and accessibility, or to identify special cases. This list gives …

A⇒B means that if A is true, B must also be true, but if A is false, B is unknown. x=3⇒x 2 =9, but x 2 =9⇒x=3 is false, because x could also be -3. If A is true, B is true and if A is false, B is false. |x| is the …

As well as the familiar equals sign (=) it is also very useful to show if something is not equal to (≠) greater than (>) or less than (<) These are the important signs to know: The "less than" sign and the …

List of all math symbols and meaning - equality, inequality, parentheses, plus, minus, times, division, power, square root, percent, per mille,...

In this article, we’ll be talking about what inequalities are, how they’re represented, and how to remember which sign means what. Not knowing what the signs mean may make your math …

≈ means approximately equal to, or almost equal to. The two sides of a relationship indicated by this symbol will not be accurate enough to manipulate mathematically.

mean, ignoble, abject, sordid mean being below the normal standards of human decency and dignity. mean suggests small-mindedness, ill temper, or cupidity. ignoble suggests a loss or lack of some …

Math is all about numbers, symbols, and formulas. Math symbols are used for different purposes from one mathematical field to another. Using symbols to represent mathematical information makes it …

Learn about HTML symbols, their usage, and how to implement them in your web pages effectively.

6 days ago · Clear and simple definitions in American English from Britannica's language experts. More usage examples than any other dictionary.