Funda Ngokweminyaka Emangalisayo Yedivayisi Nesevisi Engasetshenziswanga
I-HP 12c iphawuleka ngempela empilweni yayo ephakeme njengedivayisi ejwayelekile yokusebenzisa i-computational for professional professionals. Esikhathini lapho ama-electronics afana namafoni (amafoni ephathekayo), amakhompiyutha abo kanye nokunye okunjalo aguqukayo ngokushesha, idivaysi yanamuhla eshisayo, esinqunyiwe ngokuvamile iba yisikhathi esiphelelwe yisikhathi phakathi neminyaka embalwa. Ngakho-ke, icela inkolelo ukuthi hhayi kuphela ukuthi i-calculator yokuqala ethengiswa ngo-1981 kufanele ihlale ekukhiqizeni kuze kube sekhulwini lama-21, eminyakeni engaphezu kwengu-30 emva kokusungulwa kwayo, kodwa futhi ukuthi izoqhubeka ibe yizinga legolide labachwepheshe abaningi emkhakheni wezobuchwepheshe imelela imakethe yayo ehlosiwe.
Ukudluliswa Okubanzi
I-Calculator Financial Calculator ye-HP 12c inehlukaniso yokuhola yonke imikhiqizo ye-Hewlett-Packard ngenani leminyaka elikhishwe futhi inani lamayunithi athengisiwe. Ukuthengisa okuqoqiwe kudlulise umkhawulo wezigidi ezingu-15 ngo-2007. Ngaphezu kwalokho, ukuqina okudumile kwe-HP 12c kusho ukuthi amaphesenti aphezulu kakhulu alawa mayunithi ahlala esebenza, kwezinye izimo eminyakeni engu-30 noma ngaphezulu ngemva kokuba athenge kuqala.
Lo wokubala usuhlelwe ngaphambilini kulolu hlelo lwemisebenzi eminingi ebalulekile yokuqokwa kwamakhompiyutha ukuthi abantu kulezi zinsimu ezingafani kumele bazisebenzise ngokuqhubekayo:
- Abacwaningi nabacwaningi
- Abalawuli
- Abanini bemali bebhizinisi
- Abaphathi bezingozi
- Abaphathi besayensi
- Abaphathi bemikhiqizo
- Abahlaziyi bezezimali
- Abahlaziyi bezokuphepha
- Amabhange
- Izikhulu zemali
- Abahloli beBhange
- Abeluleki bezikweleti
- Abahwebi bamasheya
- Abacebisi bezezimali
- Abahleli bezezimali
- Abaphathi bemali
- Abanini-zimali bezimali
- Izibambiso zabathengi
- Ama-agent okuthengisa umshwalense
- Abakwa-Underwriters
- Abahloli bomshuwalense
- Ama-inshuwalense athi abaguquleli
- Abahloli be-inshuwalense
- Iziqephu
- Izitatimende
- Abomnotho
Lona kuphela uhlu oluyingxenye yamasimu lapho i-HP 12c iyithuluzi eliwusizo.
Ngaphezu kwalokho, lenza le misebenzi ngokushesha nangokuphumelelayo. Ukwengeza, i-HP 12c ingagcina izinhlelo zenkambiso ezakhiwe ngumsebenzisi.
Nakuba izinhlelo ezinjalo ngokuvamile zibhalwa kalula futhi zenziwa kuma-computer, ubukhulu obuncane kanye nokuphakama okuphezulu kwe-HP 12c kunikeza izinzuzo zokucasula kulokhu.
Phindela emuva kwe-Polish Notation
Ukungena kwedatha nokusebenza kwamakhompyutha kulandela i-Reverse Polish Notation (i-RPL), okuyisisekelo solimi lomshini noma ikhodi yekhompyutha. Naphezu komsindo we-arcane womhlangano wokusebenza, empeleni kulula kakhulu ukufunda emhlahlandlela womsebenzisi.
Isihluthulelo sokuqonda inguqulo ye-Reverse Polish Notation njengoba eqashwe yi-HP 12c isetshenziselwa ukungena ku-opharetha (njengokungeza, ukukhipha, ukuphindaphinda noma ukwahlukanisa) ngemuva kwe-operand, kunokungaphambili. Ukwengeza, emva kokufaka i-operand yokuqala ekubalweni okusha, umsebenzisi kumele ucindezele inkinobho ye-ENTER ukuze akhombise ukuthi ukubalwa okusha sekuqalile nokuthi isibalo esedlule sizosuswa kwirejista yokubonisa.
Isibonelo, ukubalwa okulula okungu-2 + 2 kungangeniswa nalolu chungechunge lwamacrosoft:
2 ENTER 2 +
Ngalesi sikhathi isibonakaliso sizofunda 4.
Ukushiya lo mphumela kurejista yokubonisa kuvumela umsebenzisi ukuthi enze amakhompuyutha engeziwe. Eqinisweni, ukusetshenziswa kwe-Reverse Polish Notation kwenza i-HP 12c ibe yindawo ekahle yokwenza izibalo eziyinkimbinkimbi ezobe ziboniswa ngokusetshenziswa okubanzi kwabazali.
Ukuzinza, Ukusebenza Kwemandla Nenani
I-HP 12c idunyiswa ngokufanele ngenxa yokuqina kwayo nokuqina kokushaqeka. Lezi yizici eziyinhloko ekwakheni kwasekuqaleni, futhi ukwazi ukusinda amaconsi amade ezindaweni zokukhonkolo zahlolwe ngokugcwele ngaphambi kokuba kuqalwe ukuqala.
Ukwengeza, i-HP 12c yenzelwe ukuba ibe namandla ngokuphumelelayo, futhi ukusebenza kwangempela kudlula ukucaciswa okusemthethweni. Imodeli yasekuqaleni yayixhaswe ngamabhethri wamakhamera angamasayizi amathathu, futhi ibhukwana lenzelwe izinyanga ezingu-6-12 zokusetshenziswa okujwayelekile (noma amahora angu-80-180 ohlelweni oluqhubekayo olusebenzayo), kuye ngokuthi ngabe i-alkaline noma ama-battery oxide oxide amaningi abizayo. Lombuyekezi ungomunye wabaningi ababikile ukuthi, naphezu kokusetshenziswa okujwayelekile kwansuku zonke, i-calculator yagijima iminyaka engaphezu kwengu-10 ngaphambi kokudinga ushintsho lwayo lokuqala lwamabhethri.
Umthombo wamandla esizukulwaneni samanje se-calculator ushintshele ku-CR2032 lithium battery, kodwa ngokusobala, impilo efanayo yebhethri iyabonwa ngabanikazi bayo.
Inani lamanani lawela kusuka ku-$ 150 ekuqalisweni ngo-1981 (cishe amaRandi 256 ngo-2012 amadola) kuya ku-$ 69.99 ngo-2012.
Lo mbuki uthenge enye ye $ 89 ngoNovemba 1987 (cishe $ 178 ngo-2012 amadola).
Ukusetshenziswa kokuhlola
I-HP 12c ingasetshenziswa ngabantu abathatha lezi zivivinyo ezibucayi:
- Umhleli Wezezimali Oqinisekisiwe (CFP)
- I-Analytical Financial Chartered (i-CFA)
- I-Global Association of Risk Professionals (GARP) Financial Risk Manager (FRM)
Uma kungekho esinye isizathu, ukuthola nokufunda ukusebenzisa i-HP 12c kuhle kakhulu ngenxa yalesi sizathu sodwa. Ngaphezu kwalokho, ngokuvumela ukusetshenziswa kwalo, izinhlangano zezobuchwepheshe eziphatha lezi zivivinyo ngokuphumelelayo zenza isitatimende mayelana nokusetshenziswa kwalesi sikhangisi kubantu abakulezi zinsimu ezifanele.
Qhathanisa amanani
Lokhu kubuyekezwa kusekelwe ku-HP 12c ukuthi umbhali uthenge ngo-1987 futhi uyaqhubeka ukusebenzisa namuhla.