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# A Big Calculator

# Other Operations

# Comments

# Checkpoint #1

# Variables

# Checkpoint #2

# Summary

### Lesson 1 Summary

In this lesson, we've discussed how a computer really is just a big, complicated calculator. And we've learned how to perform some basic operations with this calculator: we can perform all of the normal algebraic operations. And we also learned how to store important numbers as variables, using those variables in operations.

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Let's put everything we've learned together in one final exercise:

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