Name: Yan Date: 05/07/16-09:13:08 AM Z


Yes! I didn’t notice there is 9.0 version. Now there’s no error.

could you explain what is this?

{HighEnergyPhysics`Tarcer`Private`n1, HighEnergyPhysics`Tarcer`Private`m1}{HighEnergyPhysics`Tarcer`Private`n2,HighEnergyPhysics`Tarcer`Private`m2}
>
> What is n1,n2,m1,m2? I didn’t find the explanation in Tarcer documentation.