I

impossible

Something that can never happen.

inch

A unit of length. There are 12 inches in a foot.

increasing

Going up in size or amount. For example, in the pattern 4, 6, 8, 10, the numbers are counting up or increasing by 2.

input

Data or information that is entered or put into something, such as a number put into a rule machine. (See also output and rule machine.)

interval

The numbers between and including a starting number and an ending number.