DP assignment: Google Calculator Tutorial

Write a DP post called: “Tutorial: Using Google for scientific calculations”.
In your post, teach how to use Google for the following:

• Addition, subtraction, multiplication, division, etc.
• Powers (e.g., 2 to the third power = 2^3)
• Scientific notation (2 times ten to the 3rd power = 2E3 or 2e3)
• Unit conversions (e.g., degrees Fahrenheit to degrees Celsius, miles to kilometers, etc.)
• Currency conversions (e.g., USD to EUR)

Use screenshots to illustrate your techniques.