How do I calculate logs of bases other than 10 on the TI-83 Plus family of graphing calculators? The log( function can be used to calculate bases other than 10 by using a logarithmic identity log a b = log(b)/log(a) Example: Calculate log 4 160 • Press [LOG], input 160, then press [ ) ]. • Press [÷]. • Press [LOG], input 4, then press [ ) ].

Apr 24, 2017 · The "LOG" button on a TI-83 is for logarithms, which reverse the process of exponentiation. The "LOG" button on a TI-83 uses log base 10. To enter the log of a different base, you will need to use the change of base property: logb(x) is the same as log(x)/log(b).

Using the TI-80, TI-81, TI-82, TI-83 family, TI-84 Plus family, or TI-Nspire™ handheld in TI-84 Plus mode, TI-85, and TI-86: Example: Find the Log of 100. To Solve: 1) Press the [LOG] key. 2) Input 100. 3) Press the [ENTER] key. 4) The displayed answer will show 2. Using the TI-89 family, TI-92 family, and Voyage™ 200 graphing calculators:

How to insert a log base OTHER THAN 10 into a Ti-83 Plus Calculator! I hope this helped because I was at a point like you are right now and I needed this type of advice.

On Calculator: Put in your equation into the calculator by using the log key. (log (15)/2log (10)). Press the enter key and your answer should come up on the screen. On Paper: This is similar to solving regular equations with logarithms except the natural log (ln) key is used in place of the log key. Begin by writing down your equation.

Mar 23, 2013 · Your calculator may have simply a ln(or log(button, but for this formula you only need one of these: For example, to evaluate the logarithm base 2 of 8, enter ln(8)/ln(2) into your calculator and press ENTER. You should get 3 as your answer. Try it for yourself!

Nov 12, 2023 · To calculate logarithms with different bases on a TI-83 Plus calculator, use the change of base formula, which involves the natural logarithm. You can find log_b(a) by entering ln(a)/ln(b) using the calculator. This method allows you to …

Feb 22, 2016 · Using the TI-84 or TI-83 to find Log Values. We discuss change of base formula if you don't have the ability to change the base on your calculator. Get the Graphing Calculator I Use Here:...

Mar 13, 2018 · Write your log base a of b as common log b divided by common log a: log_a (b) = log (b)/log (a). For example, log_2 (100) would turn into log (100)/log (2). Submit the first log by pressing the "LOG" button, entering the value of b, pressing the right parenthesis key and pressing the division key.

This TI-83 Plus and TI-84 Plus program performs several calculations related to logarithms. The program can do all of the following: Solve for X when Log(a)(B)=X using the change of base formula; solve for X when Log(x)(A)=B; solve A^(BX+C)=D^(EX+F) using logs; find natural Logs and Log properties; solve for X in positions such as Ln(AX+B)=C ...