If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Hello,<br>This is my first post, I was directed here by a friend. She said there are a lot of smart people here -- View image here: http://episteme.arstechnica.com ...

Every three months, the central bank updates a scatter chart showing where top officials believe rates are headed. Not everyone is a fan of the anonymous projections.