Circular Slide Rule 270N

Circular Slide Rule
Perform various calculations.
Series: 270N

Reference
This slide rule is capable of a wider range of calculations than just general calculations like multiplication and division (excluding addition and subtraction), such as squares and cubes. It can also perform calculations for cubes, squares, and trigonometric functions. ○ Calculation Types: General Multiplication/Division, Proportion (Exponential Percentage), Square, Cube, and Trigonometric Functions. ○ Scales: A, D/C, CI, B, K, L (Front) / DI, D, S, T1, T2, ST (Back) ○ Includes dedicated storage case and instruction manual.