How much do you know about calculators? Let's follow the function scientific calculator For sale editor for a brief understanding!

The calculator includes: a face case, conductive key glue, a circuit board, a battery, a display screen, and a bottom case, wherein the face case is made of a soft glue material, and the front face of the face case has at least ten buttons, and the buttons are connected with the The panel has an integrated structure, the conductive key glue has at least ten protrusions, the conductive key glue is installed between the surface shell and the circuit board, the circuit board is installed on the bottom shell, and the The circuit board has button contacts; the protrusions are aligned with the buttons and the button contacts, and the buttons can sink after being pressed by force, and the protrusions can be pressed on the button contacts. The calculator is made into the shape of chocolate to meet the needs of users.
The above is a brief introduction to some knowledge of the calculator introduced by the function scientific calculator For sale.