RPN-55 SD

发行商 CuVee Software AppTrack Ninja。

Classic HP Calculator w/Timer

RPN-55 SD is the first photo-realistic simulation for the iPhone of Hewlett-Packard's low-cost alternative to the famous HP-65 programmable scientific calculator. Produced from 1975 through 1977, it was the "Merlin" member of the classic HP calculator series, priced at $395. HP claimed that it featured "(...) more pre-programmed functions than any other scientific pocket calculator in the world." A main feature of the HP-55 was a crystal-controlled 100-hr digital timer with the ability to store times while the timer was running and later recall them. On RPN-55 SD the timer may also act as a 1…

分类: Productivity, Utilities

的 App Store 排名、截图、估算和类似应用。 RPN-55 SD.