this project can imitate many kinds of functions. ❗press "space" to write functions.( y=_x^2+_x+_+_/x ) ZXCV from fast to slow ,the slower you are, the clearer your functions are. A to delete the first function you write. ❗new:↑to adjust your functions and←→ to change the function you adjust. 中文：这个项目可以模拟多种函数。 ❗按“空格”键可编写函数模板: y=_x^2+_x+_+_/x ZXCV从快到慢，你越慢，你的函数就越清晰。 A删除您编写的第一个函数 ❗新功能：↑调整函数，←→改变调整的函数。
❗you must put "x" ,"+" and "/x" in your function. like: y=0x^2+-5x+80+0/x suggest: y=0.01x^2+x+10+100/x
