mantrakshar | HINDI | Symbol Name | Meaning / definition | Example | | |
= | बराबर चिह्न | equals sign | equality | 5 = 2+3 ; 5 is equal to 2+3 | | |
≠ | असमान चिन्ह | not equal sign | inequality | 5 ≠ 4 ; 5 is not equal to 4 | | |
≈ | लगभग समान | approximately equal | approximation | sin(0.01) ≈ 0.01, x ≈ y means x is approximately equal to y | | |
> | सख्त असमानता | strict inequality | greater than | 5 > 4; 5 is greater than 4 | | |
< | सख्त असमानता | strict inequality | less than | 4 < 5;4 is less than 5 | | |
≥ | असमानता | inequality | greater than or equal to | 5 ≥ 4, x ≥ y means x is greater than or equal to y | | |
≤ | असमानता | inequality | less than or equal to | 4 ≤ 5,x ≤ y means x is less than or equal to y | | |
( ) | छोटा कोष्टक | parentheses | calculate expression inside first | 2 × (3+5) = 16 | | |
{ } | मझला कोष्ठक | flower brackets | | | | |
[ ] | बड़ा कोष्ठक | brackets | calculate expression inside first | [(1+2)×(1+5)] = 18 | | |
+ | प्लस चिन्ह | plus sign | addition | 1 + 1 = 2 | | |
− | घटाव चिन्ह | minus sign | subtraction | 2 − 1 = 1 | | |
± | जोड़- घटाव चिन्ह | plus - minus | both plus and minus operations | 3 ± 5 = 8 or -2 | | |
± | घटाव -जोड़ चिन्ह | minus - plus | both minus and plus operations | 3 ∓ 5 = -2 or 8 | | |
* | तारांकन | asterisk | multiplication | 2 * 3 = 6 | | |
× | | times sign | multiplication | 2 × 3 = 6 | | |
⋅ | गुणन बिंदु | multiplication dot | multiplication | 2 ⋅ 3 = 6 | | |
÷ | विभाजन चिह्न | division sign / obelus | division | 6 ÷ 2 = 3 | | |
/ | | division slash | division | 6 / 2 = 3 | | |
— | क्षैतिज रेखा | horizontal line | division / fraction | \frac{6}{2}=3 | | |
mod | सापेक्ष | modulo | remainder calculation | 7 mod 2 = 1 | | |
. | अवधि | period | decimal point, decimal separator | 2.56 = 2+56/100 | | |
ab | शक्ति | power | exponent | 23 = 8 | | |
$ a | b $ | कैरट | caret | exponent | $ 2 | 3 = 8 $ |
√a | वर्गमूल | square root | √a ⋅ √a = a | √9 = ±3 | | |
3√a | घनमूल | cube root | 3√a ⋅ 3√a ⋅ 3√a = a | 3√8 = 2 | | |
4√a | चौथी जड़ | fourth root | 4√a ⋅ 4√a ⋅ 4√a ⋅ 4√a = a | 4√16 = ±2 | | |
n√a | n-वें रूट (कट्टरपंथी) | n-th root (radical) | | for n=3, n√8 = 2 | | |
% | प्रतिशत | percent | 1% = 1/100 | 10% × 30 = 3 | | |
‰ | प्रति-मिली | per-mille | 1‰ = 1/1000 = 0.1% | 10‰ × 30 = 0.3 | | |
ppm | प्रति मिलियन | per-million | 1ppm = 1/1000000 | 10ppm × 30 = 0.0003 | | |
ppb | प्रति अरब | per-billion | 1ppb = 1/1000000000 | 10ppb × 30 = 3×10-7 | | |
ppt | प्रति ट्रिलियन | per-trillion | 1ppt = 10-12 | 10ppt × 30 = 3×10-10 | | |