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Online Apollo Guidance Computer Simulator http://svtsim.com/moonjs/agc.html
My very 1st G+ search for deep passionate geek stuff. @mikeelgan @twit suggestion. Too cool.

the large SERVICER job [...] first performed average-G navigation, then guidance equations, then throttle and attitude output, and then the updating of displays — each part using the outputs of the ones preceding.

Apollo 11 and Other Screw-Ups http://www.doneyles.com/LM/Tales.html

"(he [Armstong] noted the speed, range, and altitude covered by the LM during its descent was similar to that of an X-15 flight).1" Digital Apollo: Human and Machine in Spaceflight - David A. Mindell - Google Books

https://books.google.com/books?id=gXYItzQARVoC&pg=PA181&lpg=PA181&dq=%22speed,+range,+an...

"All of the programming was done with punch cards..." page 52 Digital Apollo: Human and Machine in Spaceflight - David A. Mindell

Google Books https://books.google.com/books?id=gXYItzQARVoC&pg=PA152&lpg=PA152&dq=%22all+of+the+progr...

"One day Kosmala, a programmer, went to the MIT library and looked up a series of star coordinates to align the inertial platform, which he then embedded into the code. That star catalog survived into the final version and became the basis for the astronauts' navigation to the moon." page 147 Digital Apollo: Human and Machine in Spaceflight - David A. Mindell - Google Books

https://books.google.com/books?id=gXYItzQARVoC&pg=PA147&lpg=PA147&dq=%22one+day+Kosmala%...