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FABER-CASTELL   POCKET-DUPLEX   ( 12.5 cm Scales )



A.W.Faber-Castell, Stein bei Nuernberg / Germany   (1965)
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SCALES  of the  FABER-CASTELL  POCKET-DUPLEX  Model 62/82
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Front Side              [ inverse / RED ]       Back Side
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L      lgX                         [LL03]   [exp(-X)]
T1     tan(0.1X) ; [cot(0.1X)]     [LL02]   [exp(-0.1X)]
T2     tan(X) ; [cot(X)]           [LL01]   [exp(-0.01X)]
A      X2                          K        X3
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B      X2                          K'       X3
[BI]   [100/X2]                    C        X
[CI]   [10/X]                      [CIF]    [10/πX]
C      X                           CF       πX
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D      X                           DF       πX
ST     arc(0.01X)                  LL1      exp(0.01X)
S      sin(0.1X) ; [cos(0.1X)]     LL2      exp(0.1X)
[P]    [sqrt(1 - (0.1X)2)]         LL3      exp(X)

Historical Remarks ...

                                     Production Code = ??
impressum:
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http://public.beuth-hochschule.de/~hamann        12/23/06