Lesson goal: Simplify an expression

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If you've done the other lessons in this section, hopefully you've seen how the computer can do symbolic math.

In this lesson, let's write a simple computer algebra system, that asks you for an expression, then simplifies it for you.

Now you try. Try typing in just about any expression you can find in your algebra book, and see what you get.

Type your code here:

See your results here:

This example will simplify the problem you type into the text box when the code is run. Dismiss.
Show a friend, family member, or teacher what you've done!

Here is a share link to your code:

Does your code work? Want to run it on your iPhone?

Here's your code:

  1. Use [Control]-[C] (Windows) or [⌘]-[C] (MacOS) to copy your code.

  2. Paste it using [Control]-[V] (Windows) or [⌘]-[V] (MacOS) into this page

  3. Then click the "Use on iPhone" button that you'll see.