Concise Ruler Circular Slide Rule 300 100829 Dedicated Storage Case Included. Concise Ruler Circular Slide Rule 300 100829 Similar to No. 270N, this slide rule can perform a wider range of calculations than just general calculations other than addition and subtraction multiplication, division, squaring, cubing, etc. In addition to general calculations, it is an excellent slide rule that can calculate logarithms, high powers, trigonometric functions, cubes, squares, etc.
Calculations that can be done: general multiplication and division, proportional (exponential percentage), square, cube, logarithm, high power, and trigonometric functions. C, CI, B, L (Front)? C, S, T1, T2, ST (Back)?About other area, please ask me. International Buyers - Please Note. We do not mark merchandise values below value or mark items as "gifts" - US and International government regulations prohibit such behavior.