This site gives help in solving kinetic problems for those who do not have extensive experience in statistics and curve fitting.
It provides some freely downloadable Excel files that carry out non-linear least squares fitting.

At present the choice is as follows:

• Straight line (both with and without intercepts):
  Download here
• Michaelis-Menten kinetics:
  Download here
• Arrhenius equation:
  Download here
• Eyring equation:
  Download here
• Exponential curves, a.k.a. (pseudo-)first order kinetics:
  Download here, also an extended version (up to 10,000 data points, but slower): Download here

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Last update: 9 January 2017