U+1EA4 "Ấ" Latin Capital Letter A with Circumflex and Acute Unicode Character
Unicode Version 17.0
Ấ
U+1EA4 "Ấ" Latin Capital Letter A with Circumflex and Acute is a precomposed character used primarily in the Vietnamese alphabet, where it represents a specific tonal variant of the vowel "A" that combines a circumflex accent diacritic indicating a distinct vowel quality with an acute accent diacritic marking the high-rising tone. This character is a part of the Latin Extended Additional block and is typically rendered in text for languages requiring precise diacritical marks, such as in Vietnamese words like "ấm" meaning warm or hot. It allows for streamlined digital encoding by merging the base letter and both diacritics into a single code point, ensuring accurate representation and processing in modern computing systems.
General Properties
| Code Point | U+1EA4 |
| Version Added | 1.1 |
| Name | Latin Capital Letter A with Circumflex and Acute |
| Block | Latin Extended Additional |
| General Category | Uppercase Letter |
| Canonical Combining Class | Not Reordered |
| Bidirectional Class | Left To Right |
| Decomposition Type | Canonical |
| Decomposition Mapping | "Â" U+00C2 Latin Capital Letter A with Circumflex "́" U+0301 Combining Acute Accent |
Encodings
| HTML Decimal Encoding | Ấ |
| HTML Hex Encoding | Ấ |
| UTF-8 Encoding | 0xE1 0xBA 0xA4 |
| UTF-16 Encoding | 0x1EA4 |
| UTF-32 Encoding | 0x00001EA4 |
| C/C++/Java Escape | \u1ea4 |
Unicode Properties
| NFC Quick Check | Yes |
| NFKC Quick Check | Yes |
| Numeric Type | None |
| Numeric Value | NaN |
| Line Break | Alphabetic |
| Uppercase | Yes |
| Simple Lowercase Code Point | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| Lowercase Code Point | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| Simple Case Folding | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| Case Folding | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| Cased | Yes |
| Changes When Casefolded | Yes |
| Changes When Casemapped | Yes |
| Changes When Lowercased | Yes |
| Changes When NFKC Casefolded | Yes |
| NFKC Casefold | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| NFKC Simple Casefold | "ấ" U+1EA5 Latin Small Letter A with Circumflex and Acute |
| Script | Latin |
| Script Extensions | Latin |
| Indic Syllabic Category | Other |
| ID Start | Yes |
| XID Start | Yes |
| ID Continue | Yes |
| XID Continue | Yes |
| Alphabetic | Yes |
| Vertical Orientation | Rotated |
| Grapheme Base | Yes |
| Grapheme Cluster Break | Other |
| Word Break | Alphabetic letter |
| Sentence Break | Upper |