The mathematical sign for less than is <. This sign is used in inequalities, which are statements indicating one number or expression is larger or smaller than another. The less than sign with a horizontal line drawn just below it means "less than or equal to."
Know MoreAn example using the less than sign is 5 < 10. Several signs show the relationship between expressions in a mathematical statement. The equal sign is =, and the "not equal sign" is the same as an equal sign with a left-slanting line through it. The greater than sign is >, and the greater than or equal to sign is > with a horizontal line beneath it.
Learn more about AlgebraThe symbol “?” shows that two values are not equal and that they do not represent the same thing. For example, “a ? b” means that a is not equal to b.
Full Answer >Converting kilograms to pounds is a simple process that takes less than a minute. It requires either a calculator or a pen and paper. Simply divide 118 kilograms by 0.4536 to arrive at the equivalent value in pounds.
Full Answer >One good mathematical trivia is when the numbers 0 to 1,000 are spelled out, the letter “a” can be found in only one number, “one thousand.” Another fun trivia involving numbers is 111,111,111 x 111,111,111 = 12,345,678,987,654,321.
Full Answer >In mathematical functions, the letter "x" is used as a variable, meaning it's used in place of an unknown value or values. The letter "x" is commonly used to represent a variable, a tradition that started with the French mathematician René Descartes in the 17th century.
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