3 way Aroon value calculation

This script shows 3 ways of calculating the current Aroon Up and Aroon Down values:

• 1st way by using CopyHigh and CopyLow.
• 2nd way via iHighest and iLowest.
• And finally using the Aroon indicator. This indicator has been written by Nikolay Kositsin can be downloaded from the MQL5 library: https://www.mql5.com/en/code/388.