This assignment guides students through the Google Sheets functions to produce a "program" that will allow them to input the numbers of species within an ecosystem to calculate the Simpson Index. Yes, students must ultimately know how to calculate the index by hand, but this assignment provides a new approach and helps them become more familiar with where each numerical value should go. For example, students are taught that "=B2^2" will square whatever you type into cell B2, but it is up to the