Uncertainty Machine



User's manual available here.

The NIST Uncertainty Machine is a Web-based software application to evaluate the measurement uncertainty associated with an output quantity defined by a measurement model of the form y = f(x1,...,xn).

Drop configuration file here or click to upload.

1. Select Inputs & Choose Distributions

2. Choose Values

3. Write the Definition of Output Quantity

Write the definition of the output quantity in a valid R expression