. (full stop) - This is the most common symbol used to mark the end of a sentence in English.
, (comma) - This is used to separate words or phrases in a sentence.
? (question mark) - This is used to indicate a question.
! (exclamation point) - This is used to express strong emotion, such as surprise, excitement, or anger.
: (colon) - This is used to introduce a list, a quotation, or an explanation.
; (semicolon) - This is used to join two independent clauses that are closely related.
- (hyphen) - This is used to connect words or parts of words.
— (em dash) - This is a longer version of the hyphen that is used to indicate a sudden change in thought or to emphasize a word or phrase.
_ (underscore) - This is used to underline text, to indicate a range of numbers, or to create a space between words.
() (parentheses) - These are used to enclose additional information or to set off a parenthetical clause.
[] (brackets) - These are used to enclose additional information or to set off a parenthetical clause.
{} (braces) - These are used to enclose a group of items or to indicate a range of numbers.
"" (double quotation marks) - These are used to enclose direct speech or quotations.
' (apostrophe) - This is used to indicate possession, contractions, or omitted letters.
... (ellipsis) - This is used to indicate that something has been omitted from a text.
@ (at sign) - This is used to indicate an email address or a website address.
# (number sign) - This is used to indicate a hashtag in social media.
$ (dollar sign) - This is used to indicate the currency of the United States.
% (percent sign) - This is used to indicate a percentage.
^ (caret) - This is used to indicate exponentiation.
& (ampersand) - This is used to join two words or phrases.
* (asterisk) - This is used to indicate multiplication or to indicate a wildcard in computer programming.
/ (slash) - This is used to indicate division or to indicate a forward slash in computer programming.
\ (backslash) - This is used to indicate a backslash in computer programming.
+ (plus sign) - This is used to indicate addition.
- (minus sign) - This is used to indicate subtraction.
= (equals sign) - This is used to indicate equality.
≠ (not equal to sign) - This is used to indicate inequality.
< (less than sign) - This is used to indicate that one number is less than another number.
> (greater than sign) - This is used to indicate that one number is greater than another number.
≤ (less than or equal to sign) - This is used to indicate that one number is less than or equal to another number.
≥ (greater than or equal to sign) - This is used to indicate that one number is greater than or equal to another number.
π (pi) - This is a mathematical constant that is approximately equal to 3.14159. It is used to calculate the circumference and area of a circle.
∞ (infinity) - This is a symbol that represents an infinite number.
√ (square root) - This is a symbol that is used to indicate the square root of a number.
∫ (integral) - This is a mathematical symbol that is used to indicate an integral. An integral is a mathematical operation that calculates the area under a curve.
∑ (sum) - This is a mathematical symbol that is used to indicate a sum. A sum is the addition of a group of numbers.
∏ (product) - This is a mathematical symbol that is used to indicate a product. A product is the multiplication of a group of numbers.
∝ (proportional to) - This is a symbol that is used to indicate that two quantities are proportional to each other. This means that if one quantity increases, the other quantity also increases by the same amount.
≡ (equivalent to) - This is a symbol that is used to indicate that two quantities are equivalent to each other.
, (comma) - This is used to separate words or phrases in a sentence.
? (question mark) - This is used to indicate a question.
! (exclamation point) - This is used to express strong emotion, such as surprise, excitement, or anger.
: (colon) - This is used to introduce a list, a quotation, or an explanation.
; (semicolon) - This is used to join two independent clauses that are closely related.
- (hyphen) - This is used to connect words or parts of words.
— (em dash) - This is a longer version of the hyphen that is used to indicate a sudden change in thought or to emphasize a word or phrase.
_ (underscore) - This is used to underline text, to indicate a range of numbers, or to create a space between words.
() (parentheses) - These are used to enclose additional information or to set off a parenthetical clause.
[] (brackets) - These are used to enclose additional information or to set off a parenthetical clause.
{} (braces) - These are used to enclose a group of items or to indicate a range of numbers.
"" (double quotation marks) - These are used to enclose direct speech or quotations.
' (apostrophe) - This is used to indicate possession, contractions, or omitted letters.
... (ellipsis) - This is used to indicate that something has been omitted from a text.
@ (at sign) - This is used to indicate an email address or a website address.
# (number sign) - This is used to indicate a hashtag in social media.
$ (dollar sign) - This is used to indicate the currency of the United States.
% (percent sign) - This is used to indicate a percentage.
^ (caret) - This is used to indicate exponentiation.
& (ampersand) - This is used to join two words or phrases.
* (asterisk) - This is used to indicate multiplication or to indicate a wildcard in computer programming.
/ (slash) - This is used to indicate division or to indicate a forward slash in computer programming.
\ (backslash) - This is used to indicate a backslash in computer programming.
+ (plus sign) - This is used to indicate addition.
- (minus sign) - This is used to indicate subtraction.
= (equals sign) - This is used to indicate equality.
≠ (not equal to sign) - This is used to indicate inequality.
< (less than sign) - This is used to indicate that one number is less than another number.
> (greater than sign) - This is used to indicate that one number is greater than another number.
≤ (less than or equal to sign) - This is used to indicate that one number is less than or equal to another number.
≥ (greater than or equal to sign) - This is used to indicate that one number is greater than or equal to another number.
π (pi) - This is a mathematical constant that is approximately equal to 3.14159. It is used to calculate the circumference and area of a circle.
∞ (infinity) - This is a symbol that represents an infinite number.
√ (square root) - This is a symbol that is used to indicate the square root of a number.
∫ (integral) - This is a mathematical symbol that is used to indicate an integral. An integral is a mathematical operation that calculates the area under a curve.
∑ (sum) - This is a mathematical symbol that is used to indicate a sum. A sum is the addition of a group of numbers.
∏ (product) - This is a mathematical symbol that is used to indicate a product. A product is the multiplication of a group of numbers.
∝ (proportional to) - This is a symbol that is used to indicate that two quantities are proportional to each other. This means that if one quantity increases, the other quantity also increases by the same amount.
≡ (equivalent to) - This is a symbol that is used to indicate that two quantities are equivalent to each other.