On Fri, 6 Sep 1996, Debbie Blasinsky wrote: > Could someone PLEASE tell me how to get a TI-85 to calculate log base 2? I don't think you can change the base that the [LOG] button uses; it is always ten. You can use the following property of logarithms: log x log x = ------- b log b For example: log 6 log 6 = ------- = approx. 2.585 2 log 2 ~ Mark