I played it on a hp97/hp67. Memory hazy, but I think I used the inbuilt calculus features of the calculator to get a perfect landing with a burn of 45 (about h

I played it on a hp97/hp67. Memory hazy, but I think I used the inbuilt calculus features of the calculator to get a perfect landing with a burn of 45 (about half the fuel) on say turn 12. I had no prior expectation of what the optimum burn was and certainly had not heard of a 'suicide burn'.