A logarithm requires a base, and the most common base is base 10 because the whole number system is in base 10. A logarithm can have any number as the base, but many calculators, such as the TI-84, can only operate in base 10 or base e. A logarithm of base e is also known as the natural logarithm and is written as "ln.". About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright.
Here is a current listing of some of the most popular TI84 programs available at mcstutoring.com:ALGXEQ1: the program with all your algebra formulas, equatio.. Calculating logarithms on the TI-84 Plus CE graphing calculator (or any other TI-84 Plus, for that matter) is a common operation used in many high school level classes. Most students know that you can calculate a base 10 logarithm by pressing the [log] button on the keypad, but the option to change the base is hidden away in the calculator's.