Add-on Status-bar Scientific Calculator cho firefox

Đây là add-on tính toán trong firefox. LINK: https://addons.mozilla.org/vi/firefox/ad…-calculat/ Description Firefox addon: A tiny expandable calculator at the status bar for quick calculations. Supports complex mode and advance scientific calculations Features   Complex mode calculations Base change (shortcut for binary, demical & hexadecimal) Custom functions, operators and constants defination Dynamic variable decalration Support for history