CurveFitter

Curvefitter gives scientists, researchers and engineers the power to find the ideal model for even the most complex data, including equations that might never have been considered. You can build equation set which can include a wide array of linear and nonlinear models for any application. Curvefitters state-of-the-art data fitting includes the following capabilities:any user-defined equations of up to nine parameters and eight variables,Nonlinear exponential, logarithmic and power equations,A 38-digit precision math emulator for properly fitting high order polynomial and rational coefficients.