Today’s update to MathX, v2.2.1, brings a great improvement for the Standard Calculator, Graphical Representation, and the Today Widget.
We’ve improved our mathematical evaluation engine. With MathX 2.2.1, the power function can now handle negative numbers raised to a non-integer power.
The following example shows how xˆ(1/3) is plotted, using MathX 2.2 and MathX 2.2.1:
As you can see, negative numbers are correctly plotted. Here’s another example, this time in the Standard Calculator.