The Sparkline function represents a shift in how we think about data visualization. Its balance of functionality and simplicity makes it a game-changer for spreadsheet users at all levels.

If you've made it this far in our programming lessons, you've arrived at the reward. Today we're learning about functions and then we're going to make a very simple guessing game. These lessons ...

All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic function \(y = ax^2 + bx + c \) has a minimum turning point when \(a \textgreater 0 ...

John I. Moore Figure 1. Tracking weight for the year In this article I’ll use my open source library, GraphLib, to demonstrate the basics of graphing mathematical functions in Android.