
mahendra suurii

mahendra suurii (sii. 1340-1400) pathinalam noottaandile jaina jyothishaasthranjanaanu, jyothishaasthrathekkurathu aadyathe indian grandhamaaya yantraraja rachichu. madana suurii parisheelippicha addeham malendu suurikk adthyaapakanaayirunnu. bii. sii. yude avasaanathe rund noottaandukalil jainamatham ganithashaasthrathil sakthamaaya swaadheenam chelutthi. ennirunnaalum, mahendra sooriyude kaalamayappozhekkum jainamathathinu oru deseeya mathamenna nilayil pinthuna nashtappedukayum athinte oorjjam valare kuravaayirunnu.
jolie cheiyunnu.
indian jyothishaasthranjanu jyothishaasthrakoshathe parichayappedutthiya yantraraja enna kruthiyilaanu mahendra sooriyude prashasthi. dalhiyile tugluck bharanadhikaariyaaya firooz shhaa (aarr. 1351-1388), jyothishaasthrathil atheeva thaalparyam prakadippichu. firuz shhaa neratthe varaahamihirayude "brahmasamhitha" pershyan bhaashayilekku vivarthanam cheyyaan kaaranamaayi. sulthaante nirddeshaprakaaram mahendra suurii jyothishaasthram padikkukayum 1370-ll thante yanthrarajayil athu samskritha prekshakarkku parichayappedutthukayum cheythu. athinte sanjaaram, poornnamaayum allengilum, islaamika, tolomic paarambaryangalkkullil pravarthicha jyothishaasthranjaril maathramaayi parimithappedutthiyirunnu.
yantraraja" yeei oru austrolabe upayokthaavinte maanuvalaayittaan ettavum nannayi visheshippikkunnathu. upakaranangalude (yanthram) eee rajaavu ("raaja") engane nirmmikkappedanamennum nireekshana aavasyangalkkaayi niyogikkappedanamennum ithu vishadeekarikkunnu. dakshinadhruvathil ninnu prakshepanam cheiyunna "soumya" "yanthravum (vadakkan upakaranam) utharadhruvathil ninnu prakshepanam cheiyunna" yamya "" yanthravum (thekkan upakaranam) vevvere charcha cheyyappedunnu, thudarnnu iva randum samyojippikkunna "fanindra" "yanthrathinte (sarppa upakaranam) vivaranam.
jyothishaasthrathinte prayogathekkurichulla vishadamaaya charcha "yantraraja" thekkurichulla malendu suurii nadatthiya vyaakhyaanathil kaanapedunnu. eee vyaakhyaanam rasakaramaan, kaaranam ithu indian jyothishaasthranjarkku aadyamaayi, thayyarakkiya referencinaayi pattikakal nalki, ithu kanakkukoottalukal lalithamakkaan sahayichu. 75 nagarangalude akshamshangal kamantettar nalki. indiayile kanakkukoottalukalude aavasyangalkku prasakthamaanennu thiricharinja 32 nakshathrangalude akshaamshangalude oru pattika malendu thayyarakki.

