Learning Sliders
There a several ways to create a slider:
1) Input bar by typing: Slider[ <Min>, <Max>, <Increment>, <Speed>, <Width>, <Is Angle>, <Horizontal>, <Animating>, <Random> ]
2) Use the slider tool, many time the second from the right. It has a line with a dot labeled 'a'.
3) Type a function with the slider name in the function.
Sliders allow the user to interact with the mathematics and to easily create animations.