Optimisation

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IMPORTANT You will need to have a WolframAlpha Pro account to use Wolfram effectively.

Visualization

Wolfram can help to visualize ND bell curves with known mean and standard deviation, and will also give numerous other of the curve’s parameters.

Probability Calculation

You can get Wolfram to calculate the probability of an event between two values or, with a composite method, outside a range.

The Error Function

Of course, you can also use Wolfram to evaluate the error function without having to use approximations such as erf(x) = tanh(1.2x). You can see a comparison of useful and less useful approximations of erf(x) here.