Yes, the indicator is helpful for you in the face when trading forex market, you will see the history that occurs when you view the chart. Indicator encourage you to look at the actual market apart from the chart. There are different types of indicators that can be selected according to the character of your trading. and when trade without using indicators then I think would find it difficult not being able to use fundamental analysis can only be so much better to use them as interrelated with others and to be more precise