---
id: 63dbd1335d93712ff177d96a
title: "Simple and Compound Interest: Extra"
challengeType: 15
videoId: 2cbrstoKNSc
dashedName: simple-and-compound-interest-extra
---

# --description--

Here is a detour from the Python code, as this video shows you how to create mortgage payment amortization tables in Google Sheets. You will also learn about how to use a very similar setup to estimate retirement account investment returns. This is the video that shows you where your money is going.

# --question--

## --text--

What marker do you use to attach a formula to a cell in a spreadsheet?

## --answers--

()

---

=

---

==

---

formula()

## --video-solution--

2
