User Interface Location: Input/Output > Controls > Advanced > Slider

Watch this video to learn more about the slider invert and slider min/max in PTC Mathcad Prime 11.0.0.0:

To provide more options for the slider advanced control type, in PTC Mathcad Prime 11.0.0.0 the slider minimum and maximum points can be inverted. Additionally, you can choose to display the minimum and maximum points on the slider.