Update Readme.md

Added Find e to the Nth Digit.

Author: vdrey

README.md

@@ -29,6 +29,8 @@ Numbers
 
 **Find PI to the Nth Digit** - Enter a number and have the program generate PI up to that many decimal places. Keep a limit to how far the program will go.
 
+**Find e to the Nth Digit** - Just like the previous problem, but with e instead of PI. Enter a number and have the program generate e up to that many decimal places. Keep a limit to how far the program will go.
+
 **Fibonacci Sequence** - Enter a number and have the program generate the Fibonacci sequence to that number or to the Nth number.
 
 **Prime Factorization** - Have the user enter a number and find all Prime Factors (if there are any) and display them.