RPN-45 HD is a complete simulation of the scientific hand-held calculator HP-45 from 1973. Processing times and behavior have been carefully modelled .. Read more
RPN-45 SD is a complete simulation of the scientific hand-held calculator HP-45 from 1973. Powerful enhancements turn the calculator into an amazingly useful tool for the 21st century. Features: • P.. Read more
i41CX+ is an advanced programmable and expandable RPN scientific calculator with a virtual thermal printer/plotter and workstation-class CAS capabilities that is far beyond a mere replica of the origi.. Read more
A dream calculator of the 70's, priced at $1,900 in today's dollars, now on your iPad! RPN-67 Pro is the first complete simulation of Hewlett-Packard's legendary HP-67 programmable calculator for iOS.. Read more
World's first pocket computer! Now running on your iPhone. RPN-65 SD is the iPhone version of RPN-65 Pro, the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for.. Read more
All in One (aio) Calculator is the most complete calculator in the App Store. Ideal for every day use or more complex needs. The app is free and without ads. It's an easy to use and modern calculator .. Read more
World's first pocket computer! Now running on your iPad. RPN-65 Pro is the first complete simulation of Hewlett-Packard's stunning HP-65 programmable calculator for iOS. Produced from 1974 to 1977 at.. Read more
i41CX is the same powerful advanced programmable RPN scientific calculator as the highly acclaimed i41CX+ but without the latter’s incredibly advanced capabilities such as the printer, expansion, CAS,.. Read more
All-in-one Calculator is a free calculator app for iPhone and iPad featuring over 40+ calculators and unit converters categorized under finance, health, date & time, construction, shopping and everyda.. Read more
RPN-34 CE is the first photo-realistic simulation of Hewlett-Packard's popular mid-range scientific calculator HP-34C for the iPhone. Produced from 1979 through 1983, it was the "Basil" member of the .. Read more
MathMe is the most advanced problem-solving application that was created to help you stress out less and learn more in Math. It can instantly recognize all types of texts from handwriting to computer-.. Read more