Learn
Variables
Review

You made it to the end of the lesson! High five. ðŸ™Œ

Here is a review of the lesson:

• A variable represents a particular piece of your computerâ€™s memory that has been set aside for you to use to store, retrieve, and manipulate data.
• Variables are declared using the var keyword.
• Constants are declared using the let keyword.
• Swift basic data types include:
• Single equals sign = indicates assignment.
• Arithmetic operators include +, -, *, /, %.
• Compound assignment operators include +=, -=, *=, /=, %=.

### Instructions

1.

Optional: The body mass index (BMI) is commonly used by health and nutrition professionals to estimate human body fat in populations.

It is computed by taking the individualâ€™s weight in kilograms (kg) and dividing it by the square of their height in meters (mÂ²):

$bmi = \frac{weight}{height^2}$

Complete the BMI.swift program.

(To skip, just click Run.)

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