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Recently someone posted about a paper-based calculating tool where you had two or three scales and used a ruler to combine the numbers. There was even a Python
by thanatropism 8y ago
Recently someone posted about a paper-based calculating tool where you had two or three scales and used a ruler to combine the numbers. There was even a Python package for producing them.
What was the name?
- Jtsummers 8y agoPossibly this? https://en.wikipedia.org/wiki/Nomogram https://en.wikipedia.org/wiki/Nomogram A Python package for it: http://pynomo.org/wiki/index.php/Main_Page http://pynomo.org/wiki/index.php/Main_Page
- function_seven 8y agoThis example is one of the coolest things I've seen https://upload.wikimedia.org/wikipedia/en/a/a5/Risk_Based_Sampling_Nomogram_%283yr%29.png https://upload.wikimedia.org/wikipedia/en/a/a5/Risk_Based_Sa... I had some fun drawing lines and seeing how each factor influenced the chain of isopleths.
- scrooched_moose 8y agoHistorically I believe they were just "computers" but that is just about impossible to search for these days. "Slide charts" is what I have the most luck with. I've inadvertently picked up a couple (usually tucked into old engineering books I've purchased)so looked into them a while ago. This page has a great collection of them: http://www.mathsinstruments.me.uk/page66.html http://www.mathsinstruments.me.uk/page66.html That search term also pulls up a ton on ebay.