#trigonometry

· 1w ago

Going on a Tangent with the Intel 8087’s Hybrid CORDIC Algorithm https://hackaday.com/2026/09/27/going-on-a-tangent-with-the-intel-8087s-hybrid-cordic-algorithm/ #ReverseEngineering #Intel8087 #Trigonometry

Hackaday

Going On A Tangent With The Intel 8087’s Hybrid CORDIC Algorithm

Continuing their reverse-engineering of Intel’s 8087 FPU, [Ken Shirriff] and friends took a look at one of the trigonometric functions, specifically FPTAN. The most exciting part with such r…

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