Looking for the computational functionality of Desmos without the graph paper? Try the Desmos Scientific Calculator available at https://www.desmos.com/scientific. Simply type in your equation using your device keyboard or the Desmos keyboard available at the bottom of the screen
Main - The main button displays the keypad and basic functionality.
ABC - The 'abc' button displays the qwerty keyboard, punctuation, and even a 'pi' button.
Functions - The 'func' button displays more advanced functions for trig, stats, and more.