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Probability and statistics symbols
| HINDI | symbol | Symbol Name | Meaning / definition | Example |
| | n! | factorial | n! = 1⋅2⋅3⋅…⋅n | 5! = 1⋅2⋅3⋅4⋅5 = 120 |
| | nPk | permutation | _{n}P_{k}=\frac{n!}{(n-k)!} | 5P3 = 5! / (5-3)! = 60 |
| | nCk | combination | _{n}C_{k}=\binom{n}{k}=\frac{n!}{k!(n-k)!} | 5C3 = 5!/[3!(5-3)!]=10 |
| Hindi | Symbol | Symbol Name | Meaning / definition | Example | | |
| | ⋅ | and | and | x ⋅ y | | |
| | | caret / circumflex | and | $ x^y $ | | |
| | & | ampersand | and | x & y | | |
| | + | plus | or | x + y | | |
| | ∨ | reversed caret | or | x ∨ y | | |
| | ｜ | vertical line | or | x ｜ y | | |
| | x' | single quote | not - negation | x' | | |
| | x | bar | not - negation | x | | |
| | ¬ | not | not - negation | ¬ x | | |
| | ! | exclamation mark | not - negation | ! x | | |
| | ⊕ | circled plus / oplus | exclusive or - xor | x ⊕ y | | |
| | ~ | tilde | negation | ~ x | | |
| | ⇒ | implies | | | | |
| | ⇔ | equivalent | if and only if (iff) | | | |
| | ↔ | equivalent | if and only if (iff) | | | |
| | ∀ | for all | | | | |
| | ∃ | there exists | | | | |
| | ∄ | there does not exists | | | | |
| | ∴ | therefore | | | | |
| | ∵ | because / since | | | | |
calculus and analysis symbols
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