Pi

Amḍan  ( yettwanṭeq "pi") d timezgit n tusnakt , netta d wassaɣ n tiseɣleyt n twinest  ar wakdu-ines, s temẓawt yegda-d 3.14159. Amḍan  yetban-d deg mennaw n tenfaliyin deg tusnakt d tfizikt.

 d amḍan armeɣẓan, alnamek-is ur yezmir ara ad yettwaru s taẓunt n sin ummiden, ama nezmer ad d-t-naru s umata s temẓawt s tirẓi . 

dɣa, amḍan  ur d-yetfuk ara akk. 

 Idusalen 

 Isem 
Azamul-nni yusad seg usekkil agrigi  s tuget n tutlayin n umaḍal yettwanṭeq pi.

S teqbaylit daɣen yettwanṭeq "pi". 

 Tabadut 
alt=A diagram of a circle, with the width labelled as diameter, and the perimeter labelled as circumference|droite|vignette|tiseɣleyt(circumference) n twinest meqqar ɣef wakdu-ines (diametre) s kṛad tikwal akken. azal ufrin yettwasumma 
 d wassaɣ n tiseɣleyt n twinest  ar wakdu-ines

 tagrumma-ines 
 d amḍan armeɣẓan, alnamek-is ur yezmir ara ad yettwaru s taẓunt n sin ummiden, ama nezmer ad d-t-naru s umata s temẓawt s tirẓi  d .  

 Tamyuṛt 
alt=A diagram of a square and circle, both with identical area; the length of the side of the square is the square root of pi|gauche|vignette|  d amḍan amyuṛan

 d amḍan amyuṛan, lmaɛna-ines dakken ur yezmir ara ad yili tifrat n tegda tagetfulf ur nelli timezgit s imuskiren imeɣẓanen am : 

 Tirẓi tamaɣlalt 
Am akken  d amḍan armeɣẓan, alnamek-is ur yezmir ara ad yettwaru s taẓunt n sin ummiden. Ama  am akk imḍanen nniḍen, nezmer ad-d-naru s umazrar imifeḍ n tiṛziwin yedduklen gar-asent, qaren-as tirẓi tamaɣlalt 

 Tamaẓawt n Pi 
Kra n temẓawin n  d wigi:

 Ummiden: 3
 Tirẓiyin: 22/73, 333/106, 355/113, 52163/16604, 103993/33102, 104348/33215 d 245850922/78256779.   (umuɣ seg OEIS:A063674 d OEIS: A063673.)
 izwilen: 50 izwilen imezwura n  d 3.14159265358979323846264338327950288419716939937510(ẓer OEIS: A000796 ) 

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