Is 0.999… = 1?

Is 0.999… = 1?

Well. Some people say yes. Some people will say no and explain that the radical number 0.999… is approaching 1 but is not 1. The value should be somewhere near to 1 but is not exactly 1.

So, is 0.999… = 1?

I not sure but there is a simple proof that supports the claim.

Let (1)

Multiply (1) by 10,
  (2)

Then (2)-(1):

From Mathematical Mysteries – The Beauty and Magic of Numbers by Calvin C. Clawson.