पाई दिवस
| chitr:Icon-edit.gif | is lekh ka punarikshan evan sampadan hona avashyak hai. ap isamean sahayata kar sakate haian. "sujhav" |
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paee (π) divas
kya shanadar sankhya hai paee
dasavian tak ganit padhe har kisi shakhs ne kabhi n kabhi paee ka istemal karate hue vrittoan ka kshetraphal ityadi nikalane ka kam kiya hoga. vahi paee ar skvayar vale f aaurmoole se. paee yani 22/7 ek vikat sankhya hai. ganit, vijnan aur abhiyaantriki ke kee mahatvapoorn f aaurmoole is par adharit haian. paee ko dashamalav mean tabdil karane par ganit padhane vale guruvar ek gazab bat bataya karate the. π = 22 / 7 = 3.1415926535897932384626433......... yah dashamalav anant tak khiancha ja sakata hai aur isake aank kisi bhi niyamit paitarn ko f aaulo nahian karate.
svagat paee (π) divas ka
march 14 hai, 3/14. ab ap soch rahe hoange ki isamean bhala aisi kya khas bat hai jo maian is tithi par itana jor de raha hooan. aji bilakul khas hai yah tarikh visheshakar ganitapremiyoan ke lie, kyoanki aj ki yah vishisht tithi pratinidhitv karati hai ganit ke ek vishesh chihn π (3.14) ka. π jo ki anupat pradarshit karata hai vritt ki paridhi aur isake vyas/trijya ka.
yooan to is anupat ki avashyakata aur isase sanbandhit shodh to kaphi poorv se hote a rahe the kintu isake is chihn (π) ka prayog sarvapratham 1706 mean viliyam jons dvara kiya gaya, lekin ise lokapriyata 1737 mean svis ganitajn liyonard yoolar dvara prayog mean lana aranbh karane ke bad mili. ‘paee divas’ ka vichar sarvapratham 1989 mean lairi shau (Larry Shaw ) dvara pratipadit kiya gaya.
2009 ke paee divas par yoo. es. haus aauph reprejeantetivs ne is tithi ko ‘rashtriy paee divas’ ke roop mean svikar kiya. 2010 mean googal ne is tithi par vritt aur paee ke chihnoan ko pradarshit karata ek doodal apane hom pej par prastut kar is ayojan mean apani svikriti aur bhagidari bhi sunishchit kar di. is tithi ke samipavarti ek aur tithi hai 22 julaee ya 22/7 jo ki ‘paee eproksimeshan divas’ ke roop mean manaya jata hai jo ki phraikshan paddhati mean paee ke man ke sadrishy hi hai. ganit ke rochak tatvoan ki shrriankhala mean ‘paee minat’ ko bhi shamil kar liya jata hai jab 14 march ko 1:59:26 AM / PM par paee ke sat dashamalaviy man prapt ho jate haian yani 3.1415926. samast vishv mean is avasar par paee ke prayog, mahattv adi par charcha - paricharcha ka ayojan karane ki paranpara sthapit hoti ja rahi hai.
jabaki sanyog se prakhyat bhautikavid aur chintak alabart aianstain ka janmadivas (14 march 1879 – 18 aprail 1955) bhi hai. jis paramanu urja ke rachanatmak upayog ka unhoanne svapn dekha tha, aj ke paridrishy mean usase ju di vinashakari sanbhavanaoan ko dekhate hue unaki manahsthiti ki ham sirph kalpana hi kar sakate haian. vijnan ki us mahan vibhooti ko naman. thumb|300px|paee ka man
paee ki jagah lega ‘tau’! kya hai paee ka itihas
ganitiy ‘paee’ ke din poore ho ge lagate haian. duniya ki sabase mahatvapoorn sankhya ki jagah ganitajn ab usake vikalp ‘tau’ ke prachar mean lage haian. deli mel ki khabar mean bataya gaya ki ganitajnoan ka dava hai ki vritt ki paridhi aur vyas ke anupat ke lie hone vala sthiraank galat hai aur usaki jagah tau ka istemal hona chahie. d taims akhabar ke mutabik, paee ka aankiy mooly 3.14159265 hota hai joki galat nahian hai lekin vritt ke gunoan ke sath ise jo dana galat hai. unhoanne isake lie tau sujhaya hai jisaka mooly paee ka doguna yani 6.28 hai.
paanch hajar arab aankoan tak paee ka man nikala
japan ke ek ianjiniyar ne paee ka poorn man nikalane ki lagatar 90 dinoan tak ji to़d mehanat ki lekin paee ki ganana khatm nahian huee. is dauran usane dashamalav ke bad paanch hajar arab aankoan tak paee ka man nikala. khady prasanskaran kanpani mean sistam ianjiniyar ke taur par kam kar rahe 55 varshiy shigeroo koando ne apani is ganana se 2700 arab aankoan tak paee ka man nikalane ke pichhale sal banae ge ek rik aaurd ko to़d diya hai. jyamiti mean kisi vritt ki paridhi ki lanbaee aur vyas ki lanbaee ke anupat ko paee kaha jata hai. pratyek vritt mean yah anupat 3.141 hota hai lekin dashamalav ke bad ki poori sankhya ka ab tak aankalan nahian kiya ja saka hai isalie ise anant mana jata hai.
sthaniy samachar patr "deli teligraph" ne "kyodo samachar ejeansi" ke havale se kaha ki koando ko pachas kharab aankoan tak paee ke man ki ganana karane mean 90 din aur sat ghante lage. koando ne is ganana ke lie 11,550 pauand ki lagat se khud ke banae kampyootar ka istemal kiya is kanpyootar ki memori kshamata unhoanne 32 terabait tak badhaee. koando ne kaha ki unhoanne is projekt par kam ke dauran kampyootar ki suraksha ki poori taiyari kar rakhi thi lekin ek bar unhean badha jhelani p़di jab unaki beti ke heyar drayar chaloo karane par bijali apoorti band ho gee aur 10 minit ke pavar baikap ke jarie unhean projekt surakshit karana p़da. koando ne ab paee ka man ek lakh arab aankoan tak nikalane ka lakshy rakha hai.
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tika tippani aur sandarbh