# PARI/GP

< >

PARI/GP is a programming language created in 1985.

 #468on PLDB 38Years Old 231Users 0Books 0Papers

Try now: Riju · TIO

PARI/GP is a computer algebra system with the main aim of facilitating number theory computations. Versions 2.1.0 and higher are distributed under the GNU General Public License. It runs on most common operating systems.. Read more on Wikipedia...

Example from Riju:
`print("Hello, world!")`
Example from Wikipedia:
```? \p 212 realprecision = 221 significant digits (212 digits displayed) ? (1.378-0.09143*I)^(14.87+0.3721*I) time = 0 ms. %1 = 80.817082637557070449383034933010288336925078193546211741027496566803185 11092579265743992920628314516739962724446042667886245322716456966120413965187 3272488827365261487845201056199035423784093096984005713791800191 - 94.8384618 89186304973351271821601500916571303364865064205039706592481303045713982306764 33264430511752515705768858710051382035377195497482934017239179757538824688799 0680136241031895212412150770309289450962931402933*I ? 123456! + 0. time = 1,656 ms. %2 = 2.6040699049291378729513930560926568818273270409503019584610185579952057 37967683415793560716617127908735520017061666000857261271456698589373086528293 4317244121152865814030204645985573419251305342231135573491050756 E574964 ? sin(x) time = 0 ms. %3 = x - 1/6*x^3 + 1/120*x^5 - 1/5040*x^7 + 1/362880*x^9 - 1/39916800*x^11 + 1/6227020800*x^13 - 1/1307674368000*x^15 + O(x^17) ? for(z=25,30, print (factor(2^z-1))) [31, 1; 601, 1; 1801, 1] [3, 1; 2731, 1; 8191, 1] [7, 1; 73, 1; 262657, 1] [3, 1; 5, 1; 29, 1; 43, 1; 113, 1; 127, 1] [233, 1; 1103, 1; 2089, 1] [3, 2; 7, 1; 11, 1; 31, 1; 151, 1; 331, 1] time = 5 ms. ? K = bnfinit(x^2 + 23); K.cyc time = 1ms. %4 = [3] /* This number field has class number 3. */```

#### Language features

Feature Supported Token Example
```/* A comment
```/* A comment