haridutt

haridutt (see. 683 see. ee.) keral, bhaarat key ack khagolshastri-ganitshastri they, jinhen khagoliya gananaon kii parahita pranali kaa udghoshak maanaa jaataa haye. ganana kii yeh pranali keral aur tamilanadu mein vyaapak roop seey lokpriya haye. kinvadantiyon key anusaar, haridutt ney varsh 683 esvi mein aayojit "mamankam" key avsar parr parahita pranali koo lagu kiya. mamanakam bharatpuda nadee key tata parr tirunnavaya mein aayojit ack 12-varsheeya utsav thaa.
aryabhatiya gananaon koo hull karane aur ankon kii katpaayadi pranali kaa upayog karane key alawa haridutt kaa vishisht yogdan vaha sudhaar haye joe unhone maadhya aur vaastavik sthitiyon, wegg aadi key moolyon mein kiya thaa., chandrama aur anya grahon key roop mein aryabhata key sthiraank seey praapt. iss sudhaar koo "shakabd-sanskar" kahaa jaataa haye kyonki yeh shaka yug 444 mein aryabhata kii tarikh seey lagu hotaa haye, jiss tarikh koo unake sthiraank ney sateek parinam diye they.
parahita pranali.
haridutt dwara shuru kii gaee ganana kii parahita pranali aryabhata dwara aryabhat mein prastaavit pranali kaa saralikaran thaa. haridutt ney nimnalikhit saralikaranon kii shuruat kii.
iss pranali koo parahita kahaa jaataa thaa jiska arth haye "aam aadami key liye upayukt" kyonki yeh khagoliya gananaon koo saral banaata thaa aur ise samanya vyaktiyon key liye bhee abhyaas key liye sulabh banaata thaa.
haridutt key kaary.
vidwan haridutt dwara likhit kewal dou karyon kii pehchaan karane mein saksham hue hain. unamen seey ack, jiska sheershak "grahacharanibandhana" haye, khagol vigyaan kii parahita pranali kii ganana kii mool niyamavali haye. yeh key dwara khoja gayaa thaa.vee. karma' aur 1954 mein prakaashit huaa thaa. 'mahamarganibandhana' naamak anya kaary abb maujood naheen haye.

