![[Graphics:Images/index_gr_1.gif]](Images/index_gr_1.gif){kind=small}
Calc[exp] performs several basic simplifications. Calc[exp] is the same as DotSimplify[DiracSimplify[Contract[DiracSimplify[Explicit[ SUNSimplify[Trick[exp], Explicit->False] ]]]]]
See also: DiracSimplify, DiracTrick, Trick.
This calculates ![[Graphics:Images/index_gr_2.gif]](Images/index_gr_2.gif){kind=small}
in 4 dimensions and ![[Graphics:Images/index_gr_3.gif]](Images/index_gr_3.gif){kind=small}
in D dimensions.
![[Graphics:Images/index_gr_4.gif]](Images/index_gr_4.gif)
This simplifies ![[Graphics:Images/index_gr_6.gif]](Images/index_gr_6.gif){kind=small}
![[Graphics:Images/index_gr_5.gif]](Images/index_gr_5.gif){kind=small}
![[Graphics:Images/index_gr_7.gif]](Images/index_gr_7.gif)
![[Graphics:Images/index_gr_8.gif]](Images/index_gr_8.gif){kind=small}
![[Graphics:Images/index_gr_9.gif]](Images/index_gr_9.gif)
![[Graphics:Images/index_gr_10.gif]](Images/index_gr_10.gif){kind=small}
![[Graphics:Images/index_gr_11.gif]](Images/index_gr_11.gif)
![[Graphics:Images/index_gr_12.gif]](Images/index_gr_12.gif){kind=small}
![[Graphics:Images/index_gr_13.gif]](Images/index_gr_13.gif)
![[Graphics:Images/index_gr_14.gif]](Images/index_gr_14.gif){kind=small}
![[Graphics:Images/index_gr_15.gif]](Images/index_gr_15.gif)
| The FeynCalc Book |  CA |  Cases2 |
![[Graphics:Images/index_gr_16.gif]](Images/index_gr_16.gif){kind=small}