1:A.ToString("0.#")
A: double type, # : 1: limit digits 2: round up 3: remove zero
Example: A = 60.8 A.ToString("0.#") = 60.8
A = 60.008 A.ToString("0.#") = 60
A = 60.078 A.ToString("0.#") = 60.1
1:A.ToString("0.#")
A: double type, # : 1: limit digits 2: round up 3: remove zero
Example: A = 60.8 A.ToString("0.#") = 60.8
A = 60.008 A.ToString("0.#") = 60
A = 60.078 A.ToString("0.#") = 60.1