Since his HQ works out 10ap cheaper too I would suggest that either he did the RJW commanders by hand and made a mistake or the calculator has had an update to correct a bug that was prevalent back in 2011.
If you follow the book process and get the same value as the calculator then I'd say that is correct.
Going with lists off the internet that are a) for RJW variant and b) Shedman's and c) off the internet... may be dosdgy