Challenge 04: Two-key Calculator
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Spoiler Alert! Video responses include explanations of how to solve the challenge problem. We recommend that you resist the temptation to watch response videos until after you have explored the challenge individually or with a problem solving team!
- Explore Marissa's idea about the relationship between this question and the base 3 number system.
- How would we apply Jameson's approach if the goal was to have the calculator show the number 2000 in the end? What do you think about this approach? Does it always give us the minimum number of button presses? Why or why not?
- What advice would you give to Brett? What advice would you give to Ginny?