An easy to use uncertainty propagation calculator that uses the partial derivatives method to propagate the uncertainty of values in a specified equation. Accepts input in the form of an equation, variable values, and variable uncertanties. The output provides not only the uncertainty of the final value, but also the equations required to calculate the uncertainty including partial derivatives. Markup for said equations can displayed in LibreOffice Math format, Latex, and a normal format that you could enter into a calculator.

Windows Binary x86: https://dl.dropbox.com/u/6789520/UncertPropCalc.7z

This program isn't really done yet, but I'm not sure when I'm going to be picking it up again. Essentially, all the baseline features are working. I'm not 100% whether or not equation rendering will work on other machines because the pdflatex version I'm using is extremely finnicky. Equation input is locked at normal calculator style for now, and output format is locked to LibreMath. You can probably figure out LibreMath's formula syntax with a quick google search.

This program requires a wolfram alpha API key to generate partial derivatives. To get a key, go to http://products.wolframalpha.com/developers/ and sign up for a developer account to get a key. Plug this key into the calculator or paste it directly into apiKey.txt.

Github: https://github.com/bsamuels453/Uncertainty-Propagation-Calculator

If you found this program useful, you might find my Least Squares Fit calculator useful as well. Lab reports have never been easier to write! https://github.com/bsamuels453/Least-Squares-Calculator

Copyright (C) 2012 Ben Samuels

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Benjamin Samuels bsamuels453@gmail.com 12/15/2012