January 2019
Intermediate to advanced
304 pages
7h 4m
English
Steve: We’re lost.Mike: How lost are we?

When many people think of math, they think of equations and operations that are “set in stone” and answers that are either right or wrong. They might be surprised to learn how much guessing and checking we’ve done in our algebra explorations already.
In this chapter, you learn to crack passwords and hidden messages in an indirect fashion. It’s kind of like the “guess-and-check” method of Chapter 4, where we just plugged a bunch of integers into an equation and if any made the equation true, we printed them out. This time, we’ll guess a bunch of values, not just ...