A computer screen displaying a program with various mathematical calculations and formulas. The screen has a blue background with white text and symbols. There are multiple windows and menus, including a calculator window with a yellow box and a response window with a yellow box. The top left corner shows a yellow smiley face with a green background. The bottom left corner has a clock showing the time as 01:09. The top right corner has a menu with options such as 'calcul' and 'volume'. The bottom right corner has a menu with options such as 'r\xc3\xa9ponse' and 'u'. There are also several icons and buttons at the bottom of