You will find all the mathematical formulas and formulas in the app, 118 mathematical formula books. There is no end to learning math or mathematics with mathematical formulas. It is common for high school students to forget math formulas when doing maths. So they write the math formulas in one place and put it on their reading table or in front of them and keep an eye on them all the time so that the math formulas are remembered. He also found it unbearable to turn the book over and over again