HP-19B

HP-19B, an gabatar da shi a ranar 4 ga Janairu 1988, tare da HP-17B, HP-27S da HP-28S, kuma an maye gurbinsa da HP-19BII (F1639A) a watan Janairu 1990,  wani kalkuleta ne mai sauƙi na tsarin kasuwanci na Hewlett Packard, kamar 17B. Yana da ƙirar clamshell, kamar HP-18C, HP-28C da 28S. 

Matsaloli biyu da aka saba fuskanta da akwatin clamshell sune filastik da ke kewaye da ƙofar batirin wanda zai karye sakamakon matsin lamba daga batirin; kuma ribon da ke haɗa madannai biyu zai fara lalacewa bayan buɗewar akwati da yawa.

Kalkuleta ya haɗa da ayyuka don warware lissafin kuɗi kamar ƙimar lokaci na kuɗi, amortization, canza ƙimar riba da kwararar kuɗi. Ayyukan kasuwanci sun haɗa da canjin kashi, alamar farashi, musayar kuɗi da canza raka'a. Hakanan yana da damar lissafi kamar trigonometry da graphing. Ayyukan haɓakawa, a lokacin fitarwa, sun haɗa da ikon tsara daidaiton warware matsalolin ku da adana rubutu kai tsaye a cikin kalkuleta ta amfani da madannai na harafi a gefen hagu. Kalkuleta kuma zai iya bugawa ta hanyar mai watsa infrared da aka gina a ciki zuwa firintar infrared mai goyan baya kamar HP 82240A ko HP 82240B; wanda ya ba ku damar buga jadawalin da aka samar.

 Duba kuma 

 Jerin kalkuleta na HP

 Bayanan kula 

 Hanyoyin haɗi na waje 

 Cibiyar tallafi ta HP  Archived  
 Jagorar HP don 19BII