You can make a line graph in Excel in a matter of seconds using data already entered into the spreadsheet.

A linear equation is drawn as a straight line on a set of axes. To draw the graph we need coordinates. We generate these coordinates by substituting values into the ...

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 ...

Whether presenting a project at school, delivering a critical report at work, or simply trying to make sense of your budget, graphs are efficient and visually appealing means of conveying complex ...

Most graphs chart data that you currently have, but in the course of running a business, you may find you need to design graphs before their data is available. For example, you might use Microsoft ...

A date-and-cost line chart tracks a commodity's changing price over time. Economists use such diagrams to display broad market trends and predict future prices. Businesses that restock continually use ...