The slider variable must be a single letter, and not one of the reserved letters x, y, z, t, u, v, r or e.

The lowest and highest values must not be equal.

The number of steps setting must be an integer value.

The number of steps setting must be an integer between ^0 and ^1.

The slider maximum setting must be an integer value.

The slider maximum setting must be an integer between ^0 and ^1.

The slider minimum setting must be an integer value.

The slider minimum setting must be an integer between ^0 and ^1.

The significant digits setting must be an integer value.

The significant digits setting must be an integer between ^0 and ^1.

The graph resolution setting must be an integer value.

The graph resolution setting must be an integer between ^0 and ^1.

The font size setting must be an integer value.

The font size setting must be an integer between ^0 and ^1.