The interval between the gridlines in an Excel chart is typically blank, but you can highlight the intervals using an alternating pattern by changing the formatting for the gridlines themselves ...

How to Graph an Interval Notation Using Microsoft Word. You don't need specialized software to graph something for your small business, such as annual report charts or monthly sales figures.

In case you aren't familiar with this equation, it basically tells you the one dimensional postion (x) for an object after some time interval (t). The x 0 is the starting postion (at t = 0) and v ...