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The less-than sign is a mathematical symbol that denotes an inequality between two values. The widely adopted form of two equal-length strokes connecting in an acute angle at the left, < , has been found in documents dated as far back as the 1560s.
Learn how to type and copy the less than symbol (<) and other inequality symbols (≠, >, ≥, ≤) on your keyboard or with alt codes. Find out the unicode and copy and paste options for these symbols.
Learn how to use the symbols =, ≠, > and < to compare values and solve problems. See examples, definitions and tips for remembering the meaning and order of the symbols.
Learn how to use the less than or equal symbol (≤) in math and logic. Find out its code point, TeX, and SVG formats, and download it for free.
The < symbol, at its core, defines a basic order relation between numbers. If \( a \) and \( b \) are two numbers, then \( a < b \) signifies that \( a \) is less than \( b \). While most commonly used with real numbers, the concept of "less than" is foundational to many areas of mathematics.
Learn what the less than symbol (<) means and how to use it in math, programming and logic. See the symbol format, code point, TeX and SVG representations and download them.
Learn what less than (<) means in math and how to compare numbers, weights, heights and values using this symbol. See how to graph and solve inequalities with less than sign on the number line.