|
Wolf's Collection of Slide Rule Replicas |
pi | pi0 | pi1 | pi2 | e0 | e |
π = 3.14159.... | π / 10 = 0.31416.... | π × 10 = 31.41593.... | π × 100 = 314.15927.... | e = 2.71828.... | e / 10 = 0.27183.... |
e1 | e2 | c | r | r0 | r1 |
e × 10 = 27.18282.... | e × 100 = 271.82818.... | √(4/π) = 1.12838.... | 18/π = 5.72958.... | 1.8/π = 0.57296.... | 180/π = 57.29578.... |
r2 | r3 | r10 | re | q | c1 |
√2 = 1.41421.... | √3 = 1.73205.... | √10 = 3.16228.... | 10/e = 3.67879.... | π/1.8 = 1.74533.... | √(40/π) = 3.56825.... |