RPN-45 SD 5.7

RPN-45 SD is a faithful simulation of the iconic scientific handheld calculator HP-45, originally launched in 1973. Modern enhancements have transformed this calculator into a practical and efficient tool for contemporary users.

• Authentic photo-realistic design based on the original device
• Choice of the original LED display or a high-contrast LCD display
• Integrated printer for documenting calculations
• Responsive animated keys with customizable click sound and visual cues
• Simulation of the HP-45's calculation speeds (optionally toggleable)
• Complete replication of all functions and operations of the HP-45
• "Secret" stopwatch feature expandable up to 100 hours, with preset to current time
• Capability to correct number entries by swiping across the display
• Cut, copy, and paste display values
• Instant stack and memory register access by tapping the display
• Support for complex numbers in a wide range of operations
• Non-volatile stack and registers for data retention
• 18 storage locations (9 in complex number mode)
• Flexible exponentiation and factorial functions accepting various value types, including complex numbers
• Optional hyperbolic functions and logarithms with any base support
• Solving capabilities for linear equations (two or three unknowns), quadratic and cubic equations
• Additional functionalities include normal distribution, Pearson correlation coefficient, linear regression, weighted mean, permutation, combination, fractional part computation, and more
• Date-related features like determining the day of the week for any date between 0001 and 9999, Easter date calculation, Julian dates support, etc.
• Diverse arithmetic capabilities: random number generation, hexadecimal value display, percentage calculations, register arithmetic including summation registers and LAST x functionality
• User-friendly interface with indicators for active prefix keys, angular mode status, localized decimal point, thousand's separator, etc.
• Convenient actions like clearing all registers or backing up data to a secure area

For further details, including a manual and sample calculations, please visit the official RPN-45 website at cuveesoft.ch/rpn45/en.

To aid users in exploring the app effectively, basic hints can be accessed by double-tapping the display.

This feature-rich application is also compatible with iPad as RPN-45 HD.

User Feedback:

1. "I have a long history with HP RPN calculators starting from the HP-35. CuVée's Apple product emulations are undoubtedly the most exceptional. I've tried many others but always return to these."

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2. "For fans of the classic HP-45 Scientific Calculator, this app stands out in terms of its faithful emulation of both appearance and functionality. The continuous enhancements through updates make it even more impressive."

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3. "Among various calculator apps I've tried, this one truly captures the essence of the original device. From the realistic LEDs to the satisfying button feedback, it's like using the real HP-45. Highly recommended."
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