EpsiVal: Applet to construct tables of values ​​of functions with colors

 

With the EpsiVal applet

Launch the EpsiVal applet See tutorials Read the user manual

 

Examples

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.