Have you ever wondered how to insert check mark symbol to a document?
If your answer is yes, then you need to know some of these Unicode characters: ☐☑☒☓✓✔✕✖✗✘√⊕⊖⊗⊘⊙⊞⊟⊠⊡■□▢◯❍❏❐❑❒.
It is useful for a checklist or a list of tasks (to do list).
☐ U+2610 - BALLOT BOX
☑ U+2611 - BALLOT BOX WITH CHECK
☒ U+2612 - BALLOT BOX WITH X
☓ U+2613 - SALTIRE
✓ U+2713 - CHECK MARK
✔ U+2714 - HEAVY CHECK MARK
✕ U+2715 - MULTIPLICATION X
✖ U+2716 - HEAVY MULTIPLICATION X
✗ U+2717 - BALLOT X
✘ U+2718 - HEAVY BALLOT X
√ U+221A - SQUARE ROOT
⊕ U+2295 - CIRCLED PLUS
⊖ U+2296 - CIRCLED MINUS
⊗ U+2297 - CIRCLED TIMES
⊘ U+2298 - CIRCLED DIVISION SLASH
⊙ U+2299 - CIRCLED DOT OPERATOR
⊞ U+229E - SQUARED PLUS
⊟ U+229F - SQUARED MINUS
⊠ U+22A0 - SQUARED TIMES
⊡ U+22A1 - SQUARED DOT OPERATOR
■ U+25A0 - Black square
□ U+25A1 - White square
▢ U+25A2 - White square with rounded corners
◯ U+25EF - Large circle
❍ U+274D - Shadowed white circle
❏ U+274F - Lower right drop-shadowed white square
❐ U+2750 - Upper right drop-shadowed white square
❑ U+2751 - Lower right shadowed white square
❒ U+2752 - Upper right shadowed white square
See what Wikipedia says about.
Don't use Wingdings or Webdings, like Microsoft recommends here.