Properly formatted charts and graphs can help you grasp the patterns and trends hidden within the raw data of an Excel spreadsheet. For example, if you are comparing the stock performance of two ...

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 ...

Expertise from Forbes Councils members, operated under license. Opinions expressed are those of the author. The intersection of business value and technical value has become an anchor of enterprise ...

Two columns or rows of data in Microsoft Excel may contain useful information, but you'll just have a set of numbers. You can give spreadsheet viewers a graphical representation of those numbers by ...

I want to plot those on the same chart to compare their trends against each other. Days passed on the x axis, value on the y, a line for each.

Golden Software, a developer of software for data visualization and analysis, has released Version 14 of the Grapher scientific graphing package with new plotting and customizing functionality.