Dzidza Pamusoro Pemazuva Akakura Anoshamisa uye Unhu Hwakasimbiswa
Iko HP 12c inonyatsoshamisa muhupenyu hwayo kwenguva yakareba senhare yakagadziriswa yevashandi vezvemari. Mune nguva apo magetsi akadai sefoni (mobile phones), makombiyuta ega uye zvakadaro zviri kuchinja nokukurumidza, chidimbu chinopisa, chinopisa chinowanzova chisingatomboperi mumakore mashomanana. Nokudaro inokumbira kukumbira kwete chete kuti chigadziri chekutanga chinotengeswa muna 1981 chinofanira kuramba chiri mukugadzirwa zvakanaka kusvika muzana remakore rechi21, makore anopfuura 30 mushure mokutumirwa kwaro, asiwo kuti icharamba ichive yegoridhe yevashandi vazhinji mune inomiririra mutengo wayo.
Kukumbira Kukuru
Iyo HP 12c Programmable Financial Calculator ine musiyano wekutungamira zvinhu zvose zveHewlett-Packard mumakore emakore akabudiswa uye nhamba yemakamuri akatengeswa. Kuwedzerwa kwekutengesa kwakapfuudza mamiriyoni gumi nematanhatu unit mark muna 2007. Uyezve, kugara kwakakurumbira kwe HP 12c kunoreva kuti chikamu chepamusoro chezvikamu izvi chinoramba chiri kushandiswa, mune dzimwe nguva makore 30 kana kupfuura mushure mokunge vatanga kutengwa.
Izvi zvinotanga kugadzirirwa mukati maro zvizhinji zvezvinhu zvinokosha zvekushandiswa kwekodzero iyo vanhu vari mune izvi masango akaparadzana anoda kushandiswa nekuenderera mberi:
- Vanyori nevarori vemabhuku
- Vatongi
- Vatengesi vemabhizimisi
- Risk managers
- Kutarisira masayendisiti
- Vatariri vemagetsi
- Vaongorori vezvemari
- Vavhudzi vezvivimbiso
- Bankers
- Vatungamiriri vehurumende
- Vanyori veBhangi
- Chikwereti mazano
- Vatengesi vemabhizimisi
- Vashandi vezvemari
- Vatori vezvemari
- Vatariri vemari
- Investment bankers
- Securities underwriters
- Inishuwarenzi yekutengesa vashandi
- Inishuwarenzi underwriters
- Inishuwarenzi vanoongorora
- Inishuwarenzi inotaura kuti vanogadzirisa
- Inishuwarenzi inodaro vatongi
- Actuaries
- Statisticians
- Economists
Iyi inongororongedzero yeruzhinji yeminda iyo HP 12c inoshandiswa.
Uyezve, inoita mabasa aya nokukurumidza uye zvinobudirira. Uyezve, HP 12c inogona kuchengeta zvigadziriro zvetsika zvakagadzirwa nemunhu.
Kunyange zvazvo zvinyorwa zvakadaro zvinowanzonyorwa nyore nyore uye zvichishandiswa pamakombiyuta evanhu, huwandu hwakakura uye hukuru hwekushandisa kwe HP 12c hunopa kuregererwa mazano munyaya iyi.
Reverse Polish Notation
Kuiswa kweDhiyabhorosi uye kushandiswa kwemashonga kunotevera Reverse Polish Notation (RPL), iyo inonyanya kushandiswa kwemhando yemichina kana kakombiyuta. Pasinei nezwi rearcane regungano rekushanda, ichokwadi chaizvo zviri nyore kudzidza kubva mubhuku rekushandisa.
Chinokosha chekunzwisisa shanduro yeReverse Polish Notation seyakashandiswa ne HP 12c iri kushandiswa kupinda mufambisi (sekuwedzera, kubvisa, kuwedzera kana kuparadzanisa) mushure me operand, kwete kupfuura. Uyezve, mushure mokunge uchinge uine operand yokutanga mune kuverenga mutsva, mushandisi anofanira kufambisa ENTER kiyi kuti aratidze kuti kuverenga patsva kwakatanga uye kuti kuverenga kwekare kunofanira kubviswa kubva pakubhalisa kwekuratidza.
Semuenzaniso, nyore kuverenga 2 + 2 kwaizopindwa nehupfumi huno:
2 ENTER 2 +
Panguva ino kuratidzwa kwaizoverenga 4.
Kusiya izvi kunoguma mubhuku rekuratidzira kunobvumira mushumiri kuita mazano akawedzerwa pairi. Ichokwadi, kushandiswa kweReverse Polish Notation kunoita kuti HP 12c ive yakanakisisa yekuita zviyero zvakaoma zvinogona kuratidzwa nekushandiswa kukuru kwevanababa.
Kugadzikana, Simba Rinobudirira uye Mutengo
Iyo HP 12c inorumbidzwa nenzira yakarurama nokuda kwekugara kwayo uye kushamiswa kusagadzikana. Izvi zvaive zvikonzero zvakakosha mukugadzirwa kwepakutanga, uye kukwanisa kurarama maronhwe akareba panzvimbo yekrete yakaedzwa zvakakwana zvisati zvaitika kutanga.
Uyezve, HP 12c yakagadzirirwa kuva inoshamisa simba rinobudirira, uye kunyatsoshanda kunopfuura kupfuura zvakataurwa nehurumende. Muenzaniso wepakutanga wakakonzerwa ne-3 bhodhi yakakosha mabheti emakhamera, uye bhuku racho rakarongerwa mwedzi 6-12 yekushandiswa kwechinyakare (kana kuti maawa 80-180 epurogiramu inopfuurira inoshanda), zvichienderana nokuti imwe yakagadzira alkaline kana kuti inodhura mabhiriyiti esirivha esidivha. Uyu muongororori ndomumwe wevakawanda vakarondedzera kuti, pasinei nekushandiswa kwezuva nezuva kwezuva nezuva, iyo calculator yakamhanya kwemakore anopfuura gumi isati yada kuchinja kwayo yekutanga mabhetri.
Simba rinobva muchizvarwa chedu che calculator chachinja kune rimwe CR2032 lithium battery, asi zvinoita sokuti, upenyu hwakafanana hwebheteri hwakareba huri kufarirwa nevaridzi vayo.
Nhamba iyi yakaderera kubva pa $ 150 pakatanga muna 1981 (inenge madhora 256 muna 2012 madhora) kusvika $ 69.99 muna 2012.
Uyu muongorori akatenga imwe ye $ 89 munaNovember 1987 (inenge $ 178 muna 2012 madhora).
Ongororo Yokushandisa
Iyo HP 12c inogona kushandiswa nevanhu vanotora miedzo inokosha:
- Chirongwa Chekuita Kwemari (CFP)
- Chartered Financial Analyst (CFA)
- The Global Association of Risk Professionals (GARP) Financial Risk Manager (FRM)
Kana pasina chimwe chikonzero, kuwana nekudzidza kushandisa HP 12c kunokurudzirwa zvikuru nekuda kwechikonzero ichi chete. Uyezve, nekubvumira kushandiswa kwayo, masangano emasvomhu anotungamirira miedzo iyi zvinobudirira ari kutaura pamusoro pekushandiswa kweiyi calculator kune vanhu vari muminda iyi.
Enzanisa Amitengo
Kuongorora uku kwakavakirwa pane HP 12c iyo munyori akatenga muna 1987 uye anoenderera mberi kushandisa nhasi.