Equal sign meaning

The equal sign indicates that two numbers or expressions on either side of it are equivalent or equal in value.


Equal sign definitions

Word backwards lauqe ngis
Part of speech Noun
Syllabic division e-qual sign
Plural The plural of equal sign is equal signs.
Total letters 9
Vogais (4) e,u,a,i
Consonants (5) q,l,s,g,n

An equal sign, symbolized by " = ", is a fundamental mathematical symbol used to indicate equality between two mathematical expressions or values.

History of the Equal Sign

The equal sign was first introduced by Welsh mathematician Robert Recorde in 1557 in his book "The Whetstone of Witte." He used a pair of parallel lines as the symbol of equality, which eventually evolved into the modern-day equals sign we use today.

Usage in Mathematics

In mathematics, the equal sign is used to show that two expressions or values are exactly the same. It plays a crucial role in equations, formulas, and mathematical statements where the relationship between different entities needs to be established.

Properties of the Equal Sign

The equal sign is a transitive relation, meaning that if "a = b" and "b = c", then "a = c." It is also symmetric, meaning that "a = b" is equivalent to "b = a." Additionally, the equal sign is reflexive, as every value is always equal to itself.

Applications Beyond Mathematics

Outside the realm of mathematics, the equal sign has taken on symbolic meaning in various contexts. It is used as a symbol of balance, harmony, and unity, especially in movements promoting equality and fairness, such as the LGBTQ+ rights movement.

Equality and equivalence are core concepts represented by the equal sign, transcending its mathematical origins to embody broader societal ideals.

Overall, the equal sign is a powerful symbol with deep historical roots and diverse applications, making it a universally recognized and meaningful symbol in various fields of study and human expression.


Equal sign Examples

  1. 3 + 5 = 8
  2. The sum of the angles in a triangle always equals 180 degrees.
  3. 4 cups equals one quart.
  4. Equality is achieved when both sides of the equation are equal.
  5. In mathematics, the equal sign is used to show that two expressions are the same.
  6. His dedication to his work equals that of a professional athlete.
  7. There are seven continents on Earth, equal to the number of wonders of the world.
  8. The love between a parent and child is an equation that is always balanced.
  9. Equality is a fundamental principle in the concept of justice.
  10. Success is often the result of the equal combination of hard work and opportunity.


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  • Updated 24/04/2024 - 03:54:04