28 Section 2: Numeric Functions
Logarithmic Functions
Natural Logarithm. Pressing | Z calculates the natural logarithm of
the number in the display; that is, the logarithm to the base e.
Natural Antilogarithm. Pressing ' calculates the natural
antilogarithm of the number in the display; that is, raises e to the power
of that number.
Common Logarithm. Pressing | o calculates the common
logarithm of the number in the display; that is, the logarithm to the base
10.
Common Antilogarithm. Pressing @ calculates the common
antilogarithm of the number in the display; that is, raises 10 to the power
of that number.
Keystrokes Display
45 | Z
3.8067
Natural log of 45.
3.4012 '
30.0001
Natural antilog of 3.4012.
12.4578 | o
1.0954
Common log of 12.4578.
3.1354 @
1,365.8405
Common antilog of 3.1354.
Hyperbolic Functions
Given x in the display (X-register):
Pressing Calculates
´ P [ hyperbolic sine of x
| H [ inverse hyperbolic sine of x
´ P \ hyperbolic cosine of x
| H \
inverse hyperbolic cosine of x
´ P ] hyperbolic tangent of x
| H ] inverse hyperbolic tangent of x
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