Jay

I've essentially been forced to move my css code regarding mui styles to the createTheme component which I dont like. It would be nice to have the option to use...

> **Demo**: https://next.mui-treasury.com/?path=/story/component-numberinput--default **Component src**: https://github.com/siriwatknp/mui-treasury/blob/next/packages/component-numberinput/src/NumberInput.tsx **useNumberInput hook**: https://github.com/siriwatknp/mui-treasury/blob/next/packages/use-number-input/src/useNumberInput.ts You can still use + and other math operators

Current example solution With Keydown preventing changes based on criteria. ```js // Solution with keydown { if (e.key === "e" || e.key === "E" || e.key === "-" || e.key...