| In the 1980s, personal computers, for example, often contained separate processors for floating-point operations and integer operations. |
| The floor function rounds down by taking a non-integer value to the next integer below it. |
| The function produces the smallest integer that's greater than the given number. |
| The point groups of the remaining 7 crystal classes can not be described by orthogonal integer matrices. |
| Generalizing the Pythagorean equation for triangles with integer sides to powers greater than 2 leads to Fermat's last theorem. |
| A transcendental number is an irrational number that is not a root of any polynomial equation with integer coefficients. |
