Jack’s Reviews > Why Pi? > Status Update

Shaft. Some were immeasurable, like the discovery of gravity. Overall many great discoveries were made using math.

I really like this book. It was talking about the days and Earth's rotation. It was talking about the information we had already learned in science though, although it was nice to be reassured about all the things we learned about in science. It also talked about how the ancient Mayans used the sun and the stars to determine what time it was. I find this all really cool because math is my favorite subject.

I love this book. It talks all about the ancient Mayans and how the discovered trigonometry. They used it for a lot of things such as measuring distance and telling time. They would look at their shadows to figure out what time it was or "See how far they needed to stand from a tree so when they cut it down it wouldn't fall on them. Overall I am really enjoying this book and reccomend it to other readers.

I love this book so far. It talks about how all of the cavemen had to "Guess about everything". For instance it said they had to guess about how old they were, the length of anything and the weight of anything. Then they started to create measuring systems, and used the stars and the sun to see the time, and even created scales to weigh objects. Overall I'm really enjoying this book, especially because I love math!