perittu/- educational

29sii 1977num idayil hevlettu-paccard nirmmicha shaasthreeya/enchiniyaring pokkatt kaalkkulettarukalaayirunnu perittu, echpi-19sii enniva. avaa "20" kudumbatthile ettavum noothanavum avasaanathethumaaya modalukalaayirunnu (echpi-25 thaarathamyam cheyyuka) koodaathe "condinues memory" (baattari-backed cmos memory) oru staanderd savisheshathayaayi ulppeduthi.
ulppeduthi oru cheria thermal printar ulppedunnu, atharamoru savisheshatha vaagdaanam cheiyunna valare kurachu kaikondu pidikkunna shaasthreeya calculatorukalil onnaanith (echpi-91, echpi-92, echpi-97 enniva desktop unitukalaayirunnu, unitukalaayirunnu polulla pilkkala modalukal baahya printarukale maathrame pinthunaykkunnulloo). printarinte oorjja aavasyakathakal kaaranam, kaaranam naalu aaa valippathilulla nicked cellukalude baattari paaykk upayogichu, ithu calculatorinteyum printar samvidaanathinteyum bharam vardhippichu.
rpn expression lojik, 98 prograam memory lokkeshanukal, stattistikkal functionukal, 30 rajisttarukal enningane rund modalukalilum matellaa kazhivukalum onnuthanneyaayirunnu.
upayokthaakkalkk echpi-19sii/kaaranam-ykkayi prime nambar janarettar polulla software vikasippikkaan kazhiyum. calculatorukal subrutineukal, increment/dikriment looping, relative branching, indirect addressing (soochikayaayi rajisttar 0 vazhi) enniva cherthu echpi-25-nte prograam kazhivukal vipuleekarichu.
educational yude aantharika coode namam "boony" aayirunnu, aayirunnu athinanusarichu "clyde" ennu perittu.
perittu, echpi-19sii enniva yathaakramam 345 dollarinteyum 195 dollarinteyum msrpsil avatharippichu.
educational calculator upakaranangal nirmmicha educational educational jidi enna peril oru adhika pinnoca display pinthunaykkunnathinaayi oru pathipum nilavilundaayirunnu.

