Overview of text functions in Excel

This video provides an overview of some important text manipulation functions in Excel - how to extract the first few characters of a string, last few characters, middle few characters, convert all strings to upper or lowercase or propercase, replace some characters by location or by content, trip strings - remove unwanted blanks, and so on.

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Hello sir ,
How can I calculate the return, if I invest 50000 INR in 1980 in infy what is the value of value investment today?