## $ScalarProducts

`$ScalarProducts` contains a list of all vector pairs for which a scalar product value has been defined.

### See also

[Overview](Extra/FeynCalc.md), [ScalarProduct](ScalarProduct.md).

### Examples

```mathematica
$ScalarProducts
```

$$\left(
\begin{array}{cc}
 \Delta  & \Delta  \\
\end{array}
\right)$$