The infinity symbol is ∞. On a Mac, press Option+5. On Windows there’s no Alt code in the standard Western set, so in Word type 221E then press Alt+X, or in a Unicode-aware app hold Alt and type 8734 on the numeric keypad. Anywhere else, copy it from the button below. Infinity symbol: every code … Read more
The degree Fahrenheit symbol is ℉, Unicode U+2109. There’s no standard Windows Alt code for it, so the fastest routes are copying it from the button below, typing 2109 then pressing Alt+X in Word, or pressing Ctrl+Shift+U and 2109 on a Chromebook. On a Mac, open Character Viewer with Ctrl+Cmd+Space and search “fahrenheit. “ Worth … Read more
The degree Celsius symbol is ℃. Windows has no standard Alt code for it in the usual character set, so the quickest routes are different: in Microsoft Word, type 2103 then press Alt+X, and in other Unicode-aware apps hold Alt and type 8451 on the numeric keypad. On a Mac, open the Character Viewer with … Read more
The omega symbol is Ω. On a Mac, press Option+Z; on Windows, type 03A9 then press Alt+X in Word, or hold Alt and type 937 on the numeric keypad in any Unicode-aware app. Ω is the last letter of the Greek alphabet and the sign for electrical resistance in ohms. Here’s every reliable way to … Read more
The delta symbol is Δ. Windows has no standard Alt code for it, so the quickest route is Word’s built-in trick: type 0394, then press Alt+X. On a Mac, open the Character Viewer with Ctrl+Cmd+Space and search for delta. Both drop the Greek capital delta straight into your text. Quick reference Method Input Works in … Read more
The pi symbol is π. In Word, type 03C0 and press Alt+X. On a Mac, press Option+P. In Excel or Google Sheets, use the formula =UNICHAR(960). Pi sits outside the standard Windows Alt code table, so these routes beat hunting for an Alt code that does not exist. Every way to type the pi symbol … Read more
The phi symbol is φ. Windows has no Alt code for it in the standard Western character set, so the quickest route on a PC is Microsoft Word: type 03C6, then press Alt+X. On a Mac, open the Character Viewer with Ctrl+Cmd+Space and search for “phi.” In Excel or Google Sheets, the formula =UNICHAR(966) returns … Read more
The degree symbol is °. On Windows, hold Alt and type 0176 on the numeric keypad. On a Mac, press Option+Shift+8. The Alt code and the Mac shortcut both work in Word, Excel, and almost every other app. Here is every reliable way to type it, grouped by where you are working. Method Input Works … Read more