Two polynomial functions of one variable. Gradient colors: red for positive, blue for negative, white for zero.
wo trigonometric functions of one variable. Gradient colors: magenta for positive, negative for cyan, yellow for zero.
Two variables function producing a hemisphere. Gradient colors: magenta for positive, negative for cyan, yellow for zero.
Trigonometric function of two variables with hidden values. Gradient colors: magenta for positive, negative for cyan, yellow for zero.
The same function without the grid.
Comparison of logarithm and square root functions at infinity.