Fit Results (Custom Function)

$\displaystyle A*atan(B*x+C)+D$
PARAMETER         NOTE                                 VALUE             ERROR            
A                 --                                  4.9514764932e+01  2.0381404831e+08  
B                 --                                  1.7712312924e+03  7.2899292137e+09  
C                 --                                  -1.1929417331e+05 4.9097635168e+11  
D                 --                                  -6.5665777820e+01 3.2015035836e+08  

Reduced Chi-Squared = 1282.52





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