"Road Calculation & setting out" Basic program for Casio Calculator fx-880p.
There is a site that will allow you to download the manual for the Casio FX 880p. Just google Casio FX880P and search through the sites until you find one. They are written in English or German
To find the shift function on the Casio fx-880P, press the "SHIFT" key, which is typically located in the top left corner of the keypad. After pressing "SHIFT," you can access secondary functions of other keys. For example, if you want to use a function labeled above a key, press "SHIFT" followed by that key. Make sure to consult the user manual for specific functions and their locations.