Thanks for checking out muPropagate!

muPropagate is a tool to speed up determination of final uncertainties. Instead of typing out long lines of operations and brackets in a standard calculator, data values and their uncertainties are stored in "Bubbles" which keep an updated uncertainty and fractional uncertainty attached to the data values.

To begin, enter data into the form and hit the "New" button. All you need to do from then on is select as many Bubbles as you like to be included in the calculation, and then select add or multiply all of the Bubbles together. If a subtraction or division is required, simply make the appropriate Bubbles negatives or reciprocals using the top-left Bubble buttons before the addition or multiplication.

Bubbles can be edited, and dragged and dropped at any time. Previous Bubbles remain visible in the upper section in case you need to reuse the data.

The method used to calculate uncertainties and fractional uncertainties is as described here. Note that you should still check the results of calculations from muPropagate using your standard calculator or other software; the purpose of this application is only to provide a quick idea of what the final uncertainty will be. muPropagate should in no way be considered reliable enough to give correct results for an academic submission.

All in all, enjoy using and keep an eye out for improvements and additional functionalities to come.

-Robert, Jan. 2017