Number Magic

Question :
What is the difference between an Integer and Integral ?

Answer :
The integer is a whole number as opposed to a fraction such as 3, 6, 8, 15, 1284.
Integral means consisting of a whole number or an undivided quantity.
The term integral may also refer to the notion of antiderivative, a function F whose derivative is the given function f.
The set of integers can be denoted by Z.
The integral of a real-valued function f of one real variable x on the interval [a, b] can be denoted by,