Quest of Nine

The Book

Function machines

This is a Function Machine. It allows you to change the input, function 1 and function 2

Try putting different values into input 1, function 1 and function 2; then press the calculate button to see the output.

Use the / key for ÷

input function 1 function 2 output

Can you predict what the output will be each time?

What do you think will happen if you put a negative number into the input?