You can specify symmetry/antisymmetry patterns for tensor index slots and it takes advantage of that to speed up the calculations. This part was pretty importan

You can specify symmetry/antisymmetry patterns for tensor index slots and it takes advantage of that to speed up the calculations. This part was pretty important for me so i spent some time thinking about it. I wanted to try to put xACT’s patterns in but it would have been quite the undertaking.