The dynamic viscosity of water as a function of temperature.
Sample data file, CurveExpert 1.0

T(F)          mu(lbm/ft-sec)
=============================
32              1.2e-3
40              1.04e-3 
50              .88e-3  
60              .76e-3  
70              .658e-3  
80              .578e-3  
90              .514e-3  
100             .458e-3  
150             .292e-3  
200             .205e-3  
250             .158e-3  
300             .126e-3  
350             .105e-3  
400             .091e-3 
450             .08e-3 
500             .071e-3  
550             .064e-3 
600             .058e-3