Basic Calculator:
-> Refreshed with all new design
-> Added Dark and Light Modes

Multiplication Table Calculator:
-> Some changes in the basic design of calculator
-> All new way to display table without cropping the content
-> Responsiveness added

More functions added to basic calculator
-> Exponential function
-> logarithmic function (natural log)
-> Added CE button for erasing single letter from the display

Added screenshots of new UI of Calculator in the README file.

Added the functionality of listening to the keypress events and appending values to display of the calculator

Changed the base of Log function from 'e' (natural log) to 10.