Bobby Atkinson wrote: > > How can I have the TI-92 return a base 2 logarithm of an argument. log(x) = ln(x)/ln(10) log2(x) = ln(x)/ln(2) In other words, ln(x)/ln(base) regards, -- Rene Kragh Pedersen ----------------------------------------------- .oO) Aibohphobia - the fear of palindromes (Oo.