There is several points which makes it better.
- Decrease the number of times of clicking.
- Calculator needs a reset button, it's like loop structure. Push the reset and function again.
- Plot percentages which it compare closing price and Target Value(N,V,E prices) on a chart.
- Plot loss cut points from evaluating risk/returns.
My question is also written down precisely here !!!!!
In true TradingView spirit, the author of this script has published it open-source, so traders can understand and verify it. Cheers to the author! You may use it for free, but reuse of this code in a publication is governed by House Rules. You can favorite it to use it on a chart.