My understanding is that the Apollo program was done mostly on slide rules to 3 significant figures. Calculators came later.
I found one in a drawer a month ago. My grandchildren said "What's that?"
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2005 TrailManor 3023
2003 Toyota Highlander 220hp V6 FWD
Reese 1000# round bar Weight Distributing Hitch
Prodigy brake controller.
"It's not how fast you can go, it's how fast you can stop an RV that counts."
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