====== ARITHMETIC WORD SYMBOLS ======


^ 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                                         |