Education Technology

Solution 12061: Calculating Logs on the TI-89 Family, TI-92 Family, and Voyage™ 200 Graphing Calculators.

How do I calculate a log on the TI-89 family, TI-92 family, and Voyage 200 graphing calculators?

The Logarithm (log) function on the TI-89 family, TI-92 family, and Voyage 200 is located in the [CATALOG] menu.

To access this function:

• Press [CATALOG] [L].

• Scroll to log( , press [ENTER].

Input the value.

Close the parentheses and press [ENTER].

The 3.10 OS for the TI-89 Titanium and Voyage 200 has a built in log function. In order to use this function please see the below steps:

Press [diamond key] [7] then the number.

If there is a different base than 10, input the number, press [,] then the base

Please see the TI-89 family, TI-92 family and Voyage 200 guidebooks for additional information.