About RPN-35 SD
On January 4, 1972, Hewlett-Packard announced the HP-35, world's first scientific calculator small enough to fit in a pocket - more precisely, Bill Hewlett's shirt-pocket. The HP-35 was an immediate hit with students,...
On January 4, 1972, Hewlett-Packard announced the HP-35, world's first scientific calculator small enough to fit in a pocket - more precisely, Bill Hewlett's shirt-pocket. The HP-35 was an immediate hit with students, engineers, and scientists. Despite its steep price of $395 (more than $2,200 today), it sold ten times better than anticipated in the first year.
Experience this unique calculator that won HP the prestigious "IEEE Milestone in Electrical Engineering and Computing" in 2009.
Features:
• Photo-realistic look-and-feel
• Three skins: version 1, versions 2 & 3 (1973) and final version 4 (1974)
• Vintage mode
• Enhanced memory mode
• Key-click and key-glow, both optional
• Swipe left across display to correct wrong number entries
• Cut/copy/paste display value
• Display stack registers and all memory registers
• All decimal points but one light when iPhone battery charge drops below 5%
Vintage mode
In this mode, peculiarities of a real HP-35 are simulated:
- original speed of operation
- stack register Z copied to T on trig functions
- leading zeros may be entered
- a negative number may be entered by pressing CHS before or after the number
- a keyboard entry or RCL immediately following STO does not raise the stack
- for version 1 only: a number of known arithmetic bugs
Enhanced memory mode
- non-volatile stack and registers
- use registers 1 through 9 with HP-45-like register arithmetic
- register 0 works as LastX register
Sep 22, 2022
Version 2.1
• Haptics
– Set the haptic feedback level in the calculator's settings.
– „Sounds & Haptics“ / „System Haptics“ must be on in the iPhone's settings.
– Note that iPads have no haptics engine.
• Optimized Settings View for devices with Home button
• Compatibility with iPhone 14 Pro
Previous Versions
Here you can find the changelog of RPN-35 SD since it was posted on our website on 2016-09-26 22:04:31.
The latest version is 2.1 and it was updated on 2024-03-29 16:55:18. See below the changes in each version.
RPN-35 SD version 2.1
Updated At: 2022-09-22
Changes: Sep 22, 2022
Version 2.1
• Haptics
– Set the haptic feedback level in the calculator's settings.
– „Sounds & Haptics“ / „System Haptics“ must be on in the iPhone's settings.
– Note that iPads have no haptics engine.
• Optimized Settings View for devices with Home button
• Compatibility with iPhone 14 Pro
RPN-35 SD version 2.0.2
Updated At: 2020-11-05
Changes: Nov 5, 2020 Version 2.0.2
Compatibility with iPhone 12
RPN-35 SD version 2.0.1
Updated At: 2020-03-18
Changes: Mar 18, 2020 Version 2.0.1
Fixed bug:
Calculations in scientific mode in regions not using "E" as exponent symbol (i.e. Sweden, Australia, Slovenia) would cause a crash.
RPN-35 SD version 2.0
Updated At: 2020-01-25
Changes: Jan 25, 2020 Version 2.0
• If RPN-35 is set to HP-35 version v1 ("Red dot") and Vintage Mode is on:
1. Simulation of (rather weird) EEX key behavior, i.e. exponent not shown initially, CHS ignored after digit entry, no CHS toggling
2. Simulation of additional known calculation bugs. See website for details.
• HP-35 version 4 shows correct logo and label at the bottom (on applicable iOS devices.)
• Support for iOS 13 Dark Mode
RPN-35 SD now requires iOS 11 or later.
RPN-35 SD version 1.3.1
Updated At: 2015-01-18
RPN-35 SD version 2.0.1
Updated At: 1970-01-01
Changes: 18. März 2020 Version 2.0.1
Fixed bug:
Calculations in scientific mode in regions not using "E" as exponent symbol (i.e. Sweden, Australia, Slovenia) would cause a crash.
RPN-35 SD version 2.0.1
Updated At: 1970-01-01
Changes: 2020年3月18日 Version 2.0.1
Fixed bug:
Calculations in scientific mode in regions not using "E" as exponent symbol (i.e. Sweden, Australia, Slovenia) would cause a crash.
Disclaimer
Official App Store Link
We do not host RPN-35 SD on our servers. We did not scan it for viruses, adware, spyware or other type of malware. This app is hosted by Apple and passed their terms and conditions to be listed there. We recommend caution when installing it.
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