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Logarithms
The Ti-95 can perform calculations involving common and
natural logarithms and their inverses (antilogarithms).
Logarithms
Antilogarithms
Example
The[LN]
key calculates the natural(base e) logarithm of a
numberin the display. The
key calculates the
common(base 10) logarithm of a numberin thedisplay.
These functions require a positive input value.
The key sequence[INV]
calculates the natural
antilogarithm of a numberin the display. The natural
antilogarithm function can be thought ofas e*.
The key sequence[INV]
calculates the common
antilogarithm of a numberin the display. The common
antilogarithm function can be thoughtof as 10*.
The following exampleillustrates the operation of the
logarithm and antilogarithm functions.
Procedure
Press
Display
Clear display
Enter a number
Calculate the common
logarithm
Calculate the common
antilogarithm
Calculate the natural
logarithm
Calculate the natural
antilogarithm
[inv] CN)
1.919078092
4.418840608
2-26
Math Operations
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