### Home > APCALC > Chapter 5 > Lesson 5.3.3 > Problem 5-130

5-130.

OLD SOFTWARE

Old computer programs used to only allow exponential functions with a certain base. If you needed an exponential in a different base, it had to be converted first. At right is the procedure for rewriting a base as an exponential function with a base of

Notice the second step of the model problem above. It is the Power Law of Logarithms; this law will become more and more necessary as this course progresses.