Forex (FX) is a portmanteau of the words foreign currency and exchange. Foreign exchange is the process of changing one currency into another for various reasons, usually for commerce, trading, or tourism.
If investor is doing bussiness in different country, It also used to hedge the investment
Instead of converting currency from one to another use third currency to increase the return
usd=1
usd_inr=83.01
eur_inr=88.05
usd_eur=0.94
usd_eur_inr=(usd*usd_eur)*eur_inr
print("Difference in converting to usd_to_inr and usd_eur_inr \n", usd_eur_inr-usd_inr)
Difference in converting to usd_to_inr and usd_eur_inr
-0.2430000000000092