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Size: Diameter: Approx. 3.9 inches (100 mm)
Main Material: Vinyl chloride
This is a calculation scale that allows you to calculate a wider range of widths than just adding and subtraction (calculations such as multiplication, division, squares, and triple). You can also calculate stands, squares, and triangular functions. Calculation type: General exclusion, proportional (exponent hundred ratio), square cubes, and triangular functions. Scale: A, D, C, CI, B, K, L (Surface), DI, D, S, T1, T2, ST (Back), Exclusive storage case, instruction manual (English language not guaranteed).