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universal-stem-booklet
Universal STEM Data Booklet
Reference equations, constants, and tables for STEM subjects.
Physics
IB Physics formula booklet — equations, constants, and reference tables
Thermodynamic Cycles
Interactive P-V, T-S, and H-S diagrams for the Otto cycle and beyond
Elbow Point Detection
Three methods for finding the elbow of a curve: max curvature, two-segment breakpoint, slope threshold