How to Type Symbols Using the ALT Key

On Windows

Type the currency symbol. Hold down the key Altand type the following numbers using the numeric keypad on the keyboard. When you release the key Alt, the symbol will appear. The NumLock key must be enabled.

Symbol	Name	Code
€	Euro	0128
£	GBP	156
¢	US Cent	155
¥	Yen	157
ƒ	Florin	159
¤	Currency	0164

Type mathematical symbols. Hold down the key Altand type the following numbers using the numeric keypad on the keyboard to insert mathematical symbols. When you release the key Alt, the symbol will appear. The NumLock key must be enabled.

Symbol	Name	Code
÷	Division sign	246
×	Multiply	0215
±	Add or subtract	0177
≈	Approximately	247
√	Radical sign	251
ⁿ	Power to the n power	252
²	Square	253
¼	A quarter	0188
½	Half	0189
¾	Three fourths	0190
∞	Infinity	236
≥	Greater than or equal to	242
≤	Less than or equal	243
π	Pi	227
°	Degree	248

Type special punctuation and editing symbols. Hold down the key Altand type the following numbers using the numeric keypad on the keyboard to create special punctuation marks. When you release the key Alt, the symbol will appear. The NumLock key must be enabled.

Symbol	Name	Code
¡	Inverted exclamation mark	173
¿	Inverted question mark	168
§	Chapter	21
¶	Paragraph	20
©	Copyright	0169
®	Registered	0174
™	Tradenames	0153
†	Cross	0134
‡	Double cross	0135
–	Short dash	0150
—	Long dash	0151
•	Bullet point	0149

Type musical notation. Hold down the key Altand type the following numbers using the numeric keypad on the keyboard. When you release the key Alt, the symbol will appear. The NumLock key must be enabled for combinations to take effect. Symbols with codes from 9000 to 9999 are not valid everywhere but also depend on certain fonts.

Symbol	Name	Code
♪	Quarter note	13
♫	Single note	14
♬	Double hook note	9836
♭	Flat sign	9837
♮	Normal sign	9838
♯	Hashtag	9839

Type other miscellaneous symbols. Hold down the key Altand type the following numbers using the numeric keypad. When you release the key Alt, the symbol will appear. The NumLock key must be enabled.

Symbol	Name	Code
☺	Smile	first
☻	Black smiley face	2
♥	Military engine	3
♦	Diamonds	4
♣	Shrimp army	5
♠	Spades	6
♂	male	11
♀	Female	twelfth
↑	Arrow up	24
↓	Down arrow	25
→	Right arrow	26
←	Left arrow	27
☼	Sun	15
⌂	House	127

On Mac

Type currency symbols. When you press the ⌥ Optor ⇧ Shift+ key ⌥ Opt, the keyboard generates different symbols, including common currencies. Use the following keyboard shortcuts to type currency symbols.

Symbol	Name	Shortcut
¢	US Cent	`⌥ Opt`+`4`
€	Euro	`⇧ Shift`+ `⌥ Opt`+`2`
£	GBP	`⌥ Opt`+`3`
¥	Yen	`⌥ Opt`+`Y`
ƒ	Florin	`⌥ Opt`+`F`

Type other symbols. Use the key combination ⌥ Optor ⇧ Shift+ ⌥ Opton the keyboard to edit mathematical operations. Use the key combinations below to type various mathematical symbols.

Symbol	Name	Shortcut
÷	Division	`⌥ Opt`+`/`
±	Add or subtract	`⇧ Shift`+ `⌥ Opt`+`=`
°	Degree	`⇧ Shift`+ `⌥ Opt`+`8`
≥	Greater than or equal to	`⌥ Opt`+`>`
≤	Less than or equal	`⌥ Opt`+`<`
π	Pi	`⌥ Opt`+`P`
≈	Approximately	`⌥ Opt`+`X`
≠	Not equal	`⌥ Opt`+`=`
∞	Infinity	`⌥ Opt`+`5`
∫	Integral	`⌥ Opt`+`B`

Gõ các dấu câu đặc biệt và những ký hiệu soạn thảo. Những phím bổ sung ⌥ Opt và ⇧ Shift+⌥ Opt sẽ thay đổi những ký tự mà bạn phím tạo ra. Một trong những ký tự kết hợp này là dấu câu và các ký hiệu soạn thảo. Áp dụng những tổ hợp phím bên dưới để gõ các ký tự sau.

Symbol	Name	Shortcut
¿	Dấu hỏi ngược	`⇧ Shift`+`⌥ Opt`+`?`
¡	Dấu chấm thang ngược	`⌥ Opt`+`1`
©	Quyền tác giả	`⌥ Opt`+`G`
®	Đã đăng ký	`⌥ Opt`+`R`
™	Tên thương mại	`⌥ Opt`+`2`
¶	Đoạn	`⌥ Opt`+`7`
§	Chương	`⌥ Opt`+`6`
•	Chấm đầu dòng	`⌥ Opt`+`8`
–	Dấu gạch ngang ngắn	`⌥ Opt`+`-`
—	Dấu gạch ngang dài	`⇧ Shift`+`⌥ Opt`+`-`
†	Thánh giá	`⌥ Opt`+`T`
‡	Thánh giá đôi	`⇧ Shift`+`⌥ Opt`+`7`

Mở Symbol Viewer (Trình xem Ký tự) để tìm ra nhiều ký tự hơn. Máy tính Mac không có nhiều mã như máy tính Windows, nhưng bạn có thể tìm ra nhiều ký tự khác nhau trong Symbol Viewer:

Nhấp vào bảng chọn Apple và chọn "System Preferences" (Tùy chỉnh Hệ thống).

Nhấp vào tùy chọn "Keyboard" (Bàn phím) và tích vào "Show viewers for keyboard, emoji, and symbols in menu bar" (Hiển thị trình xem cho bàn phím, biểu tượng cảm xúc và ký hiệu trong thanh thực đơn).

Nhấp vào biểu tượng trình xem hiển thị trong thanh thực đơn và chọn "Show Emoji & Symbols" (Hiển thị Biểu tượng cảm xúc và Ký hiệu).

Duyệt tìm qua các danh mục biểu tượng và nhấp đúp vào ký hiệu mà bạn muốn chèn.

Jessica Tanner

Update 23 June 2024

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