Rational Numbers Symbol Q

Here the symbol derives from the german word quotient which can be translated as ratio and first appeared in bourbaki s algèbre reprinted as bourbaki 1998 p.

Rational numbers symbol q. In maths rational numbersare represented in p qform where q is not equal to zero. But its worth pointing out that there are a lot of types of numbers and not really many good choices for letters. List of mathematical symbols r real numbers z integers n natural numbers q rational numbers p irrational numbers. Any rational number is trivially also an algebraic number.

As lukas said it s short for quotient another term for a fraction. List of mathematical symbols. Any fraction with non zero denominators is a rational number. Why do we represent rational numbers with a q.

The set of rational numbers is denoted with the latin capital letter q presented in a double struck type face. The rational numbers ℚ are included in the real numbers ℝ while themselves including the integers ℤ which in turn include the natural numbers ℕ in mathematics a rational number is a number such as 3 7 that can be expressed as the quotient or fraction p q of two integers a numerator p and a non zero denominator q. It is part of a family of symbols presented with a double struck type face that represent the number sets used as a basis for mathematics.