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 ...

Google Spreadsheets, which brings Excel-like number crunching to your browser, has added chart capabilities. To create a chart from an existing spreadsheet, just click the Add Chart icon (which ...

Apple’s Numbers spreadsheet app offers a wide variety of charts to help interpret the data in its tables (as does its Pages word processor). But when you want to turn numbers into pictures, you need ...

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 ...

line graph – to show a change over time pie chart – show the individual parts that make up a whole bar chart – compare things that aren’t directly related scatter graph – look for a pattern or link ...

With the launch of Google Docs & Spreadsheets for Google Apps around the corner, I figured it was about time I dug around the source code to see what I could find. I decided "charts" would be a good ...

With spreadsheets, you store and analyze sets of data, which is key in many businesses. Spreadsheets offer a range of automated functions to perform calculations on data in addition to building graphs ...