Ask for instructions on the use of this brand of computer, or talk about how to use the root number and cube root and how to score.

This is a multifunctional calculator. Many keys have two functions: 1 on the key surface and one above the key.

The function of the keyboard is the same as that of an ordinary calculator, which can be realized by pressing it directly.

For the function above the key, you need to press the key with the function you need while holding down the shift key, and then release it, such as the X on the key surface? The point is, there is another function on it? √x is to find the cubic of x, if required? √8, you can press X while holding down the shift key. Key, so the calculation result is: 2