Question

How do you use a calculator to evaluate `log23`?

Answer 1

You calculator should have two key, one marked, `log`, and the or marked `ln`
The `log` key is the base 10 logarithm `log_10(x)`
The `ln` key is the base e logarithm `log_e(x)`

Explanation:

Assuming that `log 23` means the base 10 logarithm, push the 2 key, push the 3 key, and then push the `log` key.