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Full Version: 9100 and interplanetary travel
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If I recall correctly, the guy that postulated using a gravitational boost to fling space probes by the outer planets performed the calculations using an HP 9100.

Does anyone know who this person is, and if the program is around anywhere?


The person is Dr. Van Allen. I don't know where his software might be.

That woulkd be Dr. Van Allen. He's the same guy that the Van Allen radiation belt is named for.

No idea where the program might be but I would be interested in getting a copy. I wonder how hard it would be to track Dr. Van Allen dwon and see if he still has a copy?