Online scientific calculator

App description

Use the calculator to add (+), subtract (-), multiply (×), divide (÷), root number (√), pi (π),
reciprocal (1/x) sine (Sin) cosine ( Simple arithmetic calculations such as COS). If you enter the
same number symbol, please do not operate too fast to avoid errors.

Usage example

Input data:

5; Click: √

Output Data:

2.23606797749979