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Slide Rule Scale Markings

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Slide Rule Scale Markings Powered By Docstoc
					Slide Rule Scale Markings
The table below consists of a list of some of the conventional symbols for scales on standard
slide rules.


     Conventional          Mathematical   Descripiton
     Symbol                Relationship
     A                     x2             square of D
     AI                    1/x2           reciprocal of square of D
     B                     x2             square of D (on slide)
     BI                    1/x2           reciprocal of square of D (on slide)
     C                     x              principal scale (on slide)
     CF                    πx             folded principle (on slide)
     CI                    1/x            reciprocal of principal (on slide)
     CIF                   1/πx           reciprocal of folded principal (on slide)
     D                     x              principal scale
     DF                    πx             folded principal
     DI                    1/x            reciprocal of principal
     DIF                   1/πx           reciprocal of folded principal
     K                     x3             cube of D
     L                     log10 x        common logarithm of D
     LL0                   e0.001x        exponent of x.10−3
     LLI                   e0.01x         exponent of x.10−2
     LL2                   e0.1x          exponent of x.10−1
     LL3                   ex             exponent of x
     LL00                  e−0.001x       exponent of −x.10−3
     LL01                  e−0.01x        exponent of −x.10−3
     LL02                  e−0.1x         exponent of −x.10−2
     LL03                  e−x
                           √              exponent of −x
     Ps or P               √1 − x
                                    2     cosine of sin−1 D
     Pt                      1 − x2       tangent of cos−1 1/D
     S                     sin−1 x        D is the sine of angle S
                           180x
     ST                     π
                                          D radians in degrees
     Sinh 1                sinh−1 x       hyperdolic sine of Sin 1 is D between 0.1 and 1
     Sinh 2                sinh−1 x       hyperdolic sine of Sin 1 is D between 1 and 10
     T                     tan−1 x        D is the sangent of angle T
     Tanh                  tanh−1 x       D is hyperbolic tangent of Tanh




    c Chris Sangwin 1999

				
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Description: Slide Rule Scale Markings