While all those pennies are dropping, one might like to consider...
Hamilton Sundstrand.
These fine folks developed the very first true FMS for wide-body aeroplanes, circa mid- nineteen seventies, that had full, LNAV/VNAV and engine thrust management, all neatly bundled into one nice neat package.
Installed?
Yes, indeed, on the Lockheed TriStar.
Simply the best...ahhh, Lockheed.
Sorry, folks, couldn'r resist.