i41CX is the same powerful advanced programmable RPN scientific calculator as the highly acclaimed i41CX+ but without the latter's expansion and printer capabilities. It is functionally equivalent to the world-renowned HP-41CX and inherits all of the highly acclaimed i41CX+ usability features including extremely responsive and animated key clicks, audible key feedback sounds, optimally spaced keys for accurate input, etc. If you are looking for a powerful programmable RPN scientific calculator but don’t need the expansion and printer capabilities of i41CX+ then i41CX is for you. And best of all, if you ever decide that you need the more advanced capabilities of i41CX+ you can enable them using a secure in-app purchase right within the app!
- Functionally equivalent to the world-renowned HP-41CX
- RPN logic with a 4 element deep memory stack
- 319 main and 124 extended memory registers
- Over 300 built-in functions, including nearly 100 functions created specifically for i41CX
- Rich set of functions and algorithms: numerical, mathematical, statistical, and much more
- Time, calendar, alarm, and stopwatch functions
- Access to the entire HP-41 library of solutions for scientific, mathematics, statistics, engineering, business, financial, surveying, medicine, real estate, and many other domains
- Programmable - Over 2000 lines
- User definable keyboard
- Device integration: external display mirroring, copy and paste, GPS, accelerometer, digital compass, time and date synchronization, and much more
- Sound support including synthetic tones and interface sounds
- Support for calculator skins and optional mini stack display
- Adjustable sound volume and display colors
- Searchable Usage & Examples table with usage tips and examples
- Searchable Quick Reference Guide of all built-in functions
- Beautiful and clean user interface optimized for the iOS device's portrait mode screen aspect ratio and to maximize the keypad area while still providing for a full featured scientific keypad