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2. Division (mathematics) - Wikipedia

   en.wikipedia.org/wiki/Division_(mathematics)

   Dividing integers in a computer program requires special care. Some programming languages treat integer division as in case 5 above, so the answer is an integer. Other languages, such as MATLAB and every computer algebra system return a rational number as the answer, as in case 3 above. These languages also provide functions to get the results ...

3. Rational number - Wikipedia

   en.wikipedia.org/wiki/Rational_number

   Rational numbers together with addition and multiplication form a field which contains the integers, and is contained in any field containing the integers. In other words, the field of rational numbers is a prime field, and a field has characteristic zero if and only if it contains the

4. Multiplication - Wikipedia

   en.wikipedia.org/wiki/Multiplication

   A simple example is the set of non-zero rational numbers. Here identity 1 is had, as opposed to groups under addition where the identity is typically 0. Note that with the rationals, zero must be excluded because, under multiplication, it does not have an inverse: there is no rational number that can be multiplied by zero to result in 1.

5. Arithmetic - Wikipedia

   en.wikipedia.org/wiki/Arithmetic

   Dividing one rational number by another can be achieved by multiplying the first number with the reciprocal of the second number. This means that the numerator and the denominator of the second number change position.

6. Rational data type - Wikipedia

   en.wikipedia.org/wiki/Rational_data_type

   Dividing two integers may return a rational number and the multiplication of a rational number may return an integer number: ( / 6 8 ) ⇒ 3/4 ( * 3/4 16 ) ⇒ 12 The numerator and denominator may be obtained using the homonymous functions, that reduce a rational to canonical form and compute the numerator or denominator of that form ...

7. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   The numbers being multiplied are multiplicands, multipliers, or factors. Multiplication can be expressed as "five times three equals fifteen", "five times three is fifteen" or "fifteen is the product of five and three". Multiplication is represented using the multiplication sign (×), the asterisk (*), parentheses (), or a dot (⋅).