Desmos

Desmos, founded in 2011 and headquartered in the United States, is an EdTech startup aiming to enhance universal math literacy. Their approach involves making math learning a journey of exploration and discovery, steering away from the traditional notion of it being too hard or dull. Desmos boasts a powerful and fast math engine that allows instant plotting of any equation, from basic lines to complex Fourier series, as well as the ability to work with data tables and demonstrate function transformations with ease. This browser-based html5 technology is accessible without downloads and is utilized by students, teachers, researchers, and math enthusiasts in 169 countries. Although the last investment details are not available, Desmos has been making significant strides in revolutionizing math education with its innovative and free graphing calculator.