AssayFit Pro: cross platform curve fitting for Excel , Python R and others. Generate calibration curves using 4PL, 5PL, linear, polynomial and other curve fitting functions. Perform non-linear and linear regression including Passing-Bablok regression. ELISA, Luminex and any other laboratory test data can be used. Try the free API key or use one of the paid plans.
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Free Curve fitting in Excel, R and Python. No credit card required. API key to use the Assayfit Pro service allowing 50 curve fits. You can renew the key after expiration.
The key is valid for two weeks.
20 standards and 96 unknown values can be used with each curve fit.
Single-user key for Curve fitting in Excel, R and Python valid for one month. API key to use the Assayfit Pro service allowing unlimited curve fits to be used for a single user for one month on multiple computers and platforms.
Multi-user key for Curve fitting in Excel, R and Python valid for one month. API key to use the Assayfit Pro service allowing unlimited curve fits to be used by multiple users within one company for one month on multiple computers and platforms.
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Have your customers use all the benefits of Assayfit Pro curve fitting
Single-user key for Curve fitting in Excel, R and Python. API key to use the Assayfit Pro service allowing unlimited curve fits to be used for a single user on multiple computers and platforms.
500 standards and 500 unknown values can be used with each fit.
Multi-user key for Curve fitting in Excel, R and Python. API key to use the Assayfit Pro service allowing unlimited curve fits to be used for multiple users within one company on multiple computers and platforms.
500 standards and 500 unknown values can be used with each curve fit.