The expected output of this would be 30 (used cells) / 5 (cells per craft) * 3 (output per craft) = 18 u238/m. The output calculated is 14.811 + 2.953 = 17.764.
The overall input calculated (231.498 ore/s) is correct however, so this may just be happening for the visualization breakdown.
Example: https://kirkmcdonald.github.io/calc.html#tab=graph&data=0-17-60&min=4&dm=p3&vis=box&items=nuclear-reactor-cycle:f:100&modules=nuclear-fuel-reprocessing:null:null
The expected output of this would be 30 (used cells) / 5 (cells per craft) * 3 (output per craft) = 18 u238/m. The output calculated is 14.811 + 2.953 = 17.764.
The overall input calculated (231.498 ore/s) is correct however, so this may just be happening for the visualization breakdown.