LOGARITHMIC FUNCTIONS Evaluating (Page 2 of 4)

The natural logarithmic function f(x) = ln(x) (base of e) is evaluated using the LN key. key. Let's evaluate this function for x = 2 and x = 1 + π. Simply press the key, then enter the argument in parentheses.

 CLEAR key.

 LN key. 2 Right parenthesis key. ENTER key.
 LN key. 1 Plus key. 2nd Pi key. Right parenthesis key. ENTER key.

 Calculator screen image.
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