It comes with an in depth User Manual and Tutorial to answer any questions you have, regarding the app and to help you further understand the world of advanced mathematics. The device uses Waves MaxxAudio Pro for sound and also has Intel UHD 620 graphics. It is suitable for all types of users, whether they are looking to carry out basic or complex mathematics It is equipped with a powerful MATH CORE advocated by MATH DISPLAY support, which increases its functionality by leaps and bounds, making it an ideal choice for engineers, math students etc. It is powered by an Intel i7 processor with 8GB of RAM and 256GB SSD storage. ti. Graphing Calculator X has a formidable reputation of being the FREE alternative to heavy complex hardware calculators. Also requires download of free TI 84 Plus SE operating systems (available free from Texas.