Our calculator software was written from the ground up with accuracy in mind. Whenever releasing a new version, we verify it by running several hundred tests based on real problems. Needless to say, we are very confident in the correctness of the solutions. The calculators were initially released in January 2004, and to date we have not encountered a single error.
Nevertheless, it is impossible to guarantee correctness in a system this complex. As a result, you should not use the calculators in any way which may put people, property, or anything of significant value at risk.
We log the input and output of the calculators, and periodically use this log data to improve our testing.
We have a rigorous testing procedure that runs automatically whenever we release a new version of the following calculators:
If you have any questions or comments on the calculator or the information provided above, please use the Feedback Form
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