< Scratch Wiki:Table of Contents

### Tutorials

**Checking for Integers**— How to determine if a specified value is an integer or not.**Checking if a Number is Prime**— How to determine if a specified value is prime.**Finding the Mean of Numbers**— How to find the mean, or average, of a list of numbers.**Finding the Median of Numbers**— How to find the median, the middle number in a list of numbers.**Finding the Mode of Numbers**— How to find the mode, the most common number, in a set of numbers.**Finding the Range of Numbers**— How to find the range that a list of numbers spans.**Finding the Standard Deviation of Numbers**— How to find the standard deviation, or how spread apart a set of numbers is.**Solving Exponents**— How to solve exponents. (to the power of)**Using Vectors**— How to work with vectors.