The spectra of two electrons in a parabolic quantum dot in a magnetic
field are obtained using the WKB approximation. No restrictions are im
posed on the value of the electron-electron interaction. A simple appr
oximation allowing an exact solution to be obtained for the interactio
n between two electrons in a quantum dot is proposed. It reproduces al
l of the qualitative features of the two-electron spectrum. Quantitati
vely, it is in good agreement with the WKB solution for the range of p
arameters of experimental interest.