Education Technology

Solution 12281: Calculating the Log and Inverse Log of a Number Using the TI-34 II Explorer Plus™.

How do I calculate the log and inverse log of a number using the TI-34 II Explorer Plus?

The examples below will demonstrate calculating the log and antilog of a number using the TI-34 II Explorer Plus.

Example: Calculate the log of 1.

1) Press the [2nd] key, then the [LOG] key to access the LOG menu.
2) With the cursor under the 'LOG' function, press [=].
3) Input [1]. Press [)] to close parentheses.
4) Press the [=] key.

The displayed answer will show 0.

Example: Calculate the antilog of 0.

1) Press the [2nd] key, then the [LOG] key to access the LOG menu.
2) Press the right arrow [>] key to move the cursor under the '10^' (antilog) function, then press [=].
3) Input [0]. Press [)] to close parentheses.
4) Press the [=] key.

The displayed answer will show 1.

Please see the TI-34II Explorer Plus guidebook for additional information.