How do you use a calculator to evaluate the expression #log2.3# to four decimal places?
It will depend upon your calculator and its built-in functions.
(see below for two examples)
First Calculator from my desk drawer: Sharp EL-5400
I notice that this calculator has a "log" key,
so I punch in:
and then the "log" key.
which I round/truncate to
Second Calculator from my desk drawer: TI BA II Plus*
I don't see a "log" button, but I do have a "ln" button
so I will need to use the change of base formula:
(remember default base for