You don't have to launch Excel when you need to view data relationships graphically. Microsoft Word contains tools to produce colorful, professional looking graphs. A general Area chart that has ...

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 ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Eric's career includes extensive work in both public and corporate accounting with ...