Concise 100829 Ruler Circular Calculator 300

Similar to No.270N, it is a calculation scale that can be used for a wider range of calculations except adding and subtraction (multiplication, division, square, and triply) as well as general calculations. In addition to general calculations, this is an excellent measuring scale that can calculate logarithmetics, high fidelity, triangular functions, cubic and square. Possible calculation: General exclusion, proportional (exponent hundred ratio), square, level, logarithmetic, high and triangular functions. Scale: K, A, D, C, CI, B, L (Surface) LL3, LL2, D, C, S, T1, T2, ST (Back) Dedicated storage case, instruction manual included. Size: Diameter: Approx. 4.3 inches (110 mm) Main Material: Vinyl chloride