The 4 buttons on either side are used to set functions of the switches up top. You can set each setting on the switches for a customized algorithm. They are typically used in accounting. Which is nothing I know anything about, neither is this calculator. I just made that all up.
The 4 buttons on either side are used to set functions of the switches up top. You can set each setting on the switches for a customized algorithm. They are typically used in accounting. Which is nothing I know anything about, neither is this calculator. I just made that all up.