Main function
・Equipped with a "double calculator" function that allows you to use two calculators at the same time
・Set a photo album photo, image, or 56 types of floral illustrations as the background image
・ Set the background color with a slide bar that expresses 360 colors + transparent setting
・Select from 6 colors
・ You can check the combination of colors selected on the background setting screen with a display example.
・Real-time display of calculation results up to that point even while entering a formula
・In order to correct input mistakes, you can delete the entered formula one by one from the back.
・ Set the background color of number buttons and action buttons other than numbers from 360 colors + transparency setting
・Set the text color of the button from 6 types
・Sound effect setting when pressing a button (7 types of sound effects)