If you use the square root symbol daily, consider creating a text replacement shortcut:
If your keyboard lacks a separate numpad, use the Character Map ( Win + R → type charmap → search “square root”). keyboard shortcut for square root
Press Ctrl + Shift + U , type 221A , and press Enter . 6. Mobile (iPhone, iPad, and Android) Mobile keyboards rarely have a dedicated square root key. The Easy Fix: Copy and paste the symbol from a web search. If you use the square root symbol daily,