umyalo we-bc usetshenziselwa umshini wokubala womugqa womyalo. Kuyafana nokubala okuyisisekelo ngokusebenzisa esingakwazi ukwenza izibalo eziyisisekelo zezibalo.
Wenzani umyalo we-bc?
Umyalo we-bc ikuvumela ukuthi ucacise isisekelo sokufaka nokukhiphayo sokusebenza ngedesimali, i-octal, noma i-hexadecimal. Okuzenzakalelayo kuyidesimali. Umyalo futhi unokunikezwa kwesikali sokuphawula kwephoyinti ledesimali. Umyalo we-bc uhlala usebenzisa i-.
Siyini isikali ku-bc?
Isici esiyisisekelo ku-bc inombolo. … Ubude buyisamba senani lamadijithi edesimali abalulekile enombolweni kanye nesilinganiso isamba senani lamadijithi edesimali ngemva kwephoyinti ledesimali. Ngokwesibonelo, . U-000001 unobude obungu-6 nesikali sika-6, kuyilapho u-1935.000 enobude obungu-7 nesikali sika-3.
Uyisebenzisa kanjani i-bc kumshini wokubala?
Ukuze uvule i-bc kumodi yokusebenzisana, thayipha umyalo bc ku-command prompt futhi umane uqale ukubala izinkulumo zakho. Kufanele uqaphele ukuthi nakuba i-bc ingasebenza ngokunemba okungenasisekelo, empeleni ishintsha ibe amadijithi anguziro ngemva kwephoyinti ledesimali, isibonelo isisho esithi 3/5 imiphumela iye ku-0 njengoba kuboniswe kokuphumayo okulandelayo.
Yini i-bc kusikripthi se-bash?
BC, okusho ukuthi I-Basic Calculator, umyalo oku-Bash osetshenziselwa ukunikeza ukusebenza kwesibali sesayensi ngaphakathi kweskripthi se-Bash.
Ngiyikhipha kanjani i-bc ku-Linux?
Imiyalo eningiliziwe:
- Qalisa umyalo wokubuyekeza ukuze ubuyekeze amaqoqo ephakheji futhi uthole ulwazi lwakamuva lwephakheji.
- Qalisa umyalo wokufaka nge -y flag ukuze ufake ngokushesha amaphakheji nokuncika. sudo apt-get ukufaka -y bc.
- Hlola amalogi esistimu ukuze uqinisekise ukuthi awekho amaphutha ahlobene.
Yini i-bc shell?
Umyalo. bc, wokubala okuyisisekelo (ngokuvamile okubizwa ngokuthi isibali sebhentshi), “ulimi lwesibali olunemba ngokunganaki” olune-syntax efana nolimi lokuhlela lwe-C. I-bc ngokuvamile isetshenziswa njengolimi lokubhala lwezibalo noma njengegobolondo lezibalo elisebenzisanayo.
Kuyini ukusetshenziswa kwe-CD ku-Linux?
cd umyalo ku-linux owaziwa ngokuthi shintsha umyalo wesikhombi. Ikona esetshenziselwa ukushintsha inkomba yokusebenza yamanje. Esibonelweni esingenhla, sihlole inombolo yezinkomba ohlwini lwethu lwasekhaya futhi sangena ngaphakathi kohla lwemibhalo lwemibhalo ngokusebenzisa umyalo we-cd Documents.
Ngiphuma kanjani ku-BC ku-Linux?
4 Izimpendulo. Ungenza nje i-echo ukuyeka | bc -q gpay > tgpay , okuzocishe kufane nokufaka okuthi “yeka” kusuka kukhibhodi. Njengenye inketho, ungase ubhale okuthi bc < gpay > tgpay , okuzodlulisela okuqukethwe kwe-gpay ku-stdin, isebenzisa i-bc ngemodi engahlangani.
Yini isikali se-Echo?
I-echo iphrinta umlayezo kutheminali efana ne-Unix. isikali=4;1/16 ibeka izindawo ezine zedesimali ezilingana nengxenye yedesimali engu-1/16. I-bc isebenzisa ukuguqulwa kwesisekelo—guqula isuka kusistimu yenombolo yesisekelo iye kwenye.
Uyisebenzisa kanjani i-EXPR kugobolondo?
Umyalo we-expr ku-Unix uhlola inkulumo enikeziwe futhi ubonise okukhiphayo okuhambisanayo. Isetshenziselwa: Imisebenzi eyisisekelo njengokwengeza, ukususa, ukuphindaphinda, ukuhlukanisa, kanye nemodulus kuma-integer. Ukuhlola izisho ezivamile, ukusebenza kweyunithi yezinhlamvu njengochungechunge oluncane, ubude beyunithi yezinhlamvu njll.
Uqeda kanjani ku-bash?
Hlela intengo kusengaphambili ngokuguquguquka kwemvelo PRICE=
- Bese ushayela i-awk – $PRICE izongena ku-awk njengentengo eguquguqukayo e-awk.
- Ibe isifinyezwa ku-100 eseduze nge +. 005.
- Inketho yokufometha ye-printf %. I-2f ikhawulela isikali ezindaweni ezimbili zamadesimali.