Question

describe Variable
What is constant
Thank you for answering.

Answer 1

variable means different

Answer 2

Answer:

1) A variable is any characteristics, number, or quantity that can be measured or counted. A variable may also be called a data item.

2) In mathematics, the adjective constant means non-varying. The noun constant may have two different meanings. It may refer to a fixed and well-defined number or other mathematical object. The term mathematical constant is sometimes used to distinguish this meaning from the other one.