Chris Phoenix

1. Cộng đồng
2. Study Group
3. Logarithm Quesions

As a general rule, you can do the same thing to both sides of an equation (except for dividing by zero). The goal is to find something to do that will make the equation better or simpler. For exam...

1. Cộng đồng
2. Feature Requests and General Site Feedback
3. Provide a persistent data storage mechanism for programs

Storing data about young users could get into privacy and even legal issues. I don't know where the line is... storing someone's play level? Probably OK. Favorite color? Country they live in? State...