Vintage-45 3.3 - App Store

Vintage-45 version 3.3

Updated At: 2026-06-03

Changes: Version History • Improved compatibility with real HP-45 when using D.MS conversions: – With "Extras" set to off (yellow key, then "+" key to toggle): same results as real HP-45 – With "Extras" set to on: improved results (no digits dropped by conversion) EXAMPLE Convert 12.345612: – "Extras" off: D.MS-> 12.58225556, then -> D.MS back to 12.34560000 – "Extras" on: D.MS-> 12.58225556, then -> D.MS back to 12.34561200 3.3 Mar 9 • Localized decimal point and separator appear only when “Extras” is activated. • Improved compatibility with iPhone Air and iOS 26. 3.2 10/16/2025 When “Extras” are turned on ("Gold"-"+"), stack and registers are non-volatile. 3.1 07/28/2025 When “Extras” are turned on, you can switch between grams/ounce and grams/troy ounce using gold-“x”. 3.0 05/30/2025 • Faster startup – no delay until the first button press is recognized after switching on. 2.9 05/10/2025 If "Extras" are turned on ("gold-key", then "+"): • A number like 9.9e99 will show up as 1.e100 when the format SCI 0 is selected. • Calling up the stopwatch (RCL ENTER) initially shows a running clock in 12-hour format. Store up to 10 time values by pressing any key from 0 to 9. 2.8 03/10/2025 • Visual adjustments to iPhone 16 Pro and iPhone 16 Pro Max 2.7 10/19/2024 • Corrects rounding errors of the 1/x function with large numbers in FIX format. • Vintage-45 now requires iOS 12 or higher. 2.6 11/22/2023 • Storing 19390101 in R1 toggles key-flashing on and off. • Recalling 19390100 from R1 turns key-flashing off; recalling 19390101 turns it on. • Fixed a problem related to the STO and RCL instructions. 2.5.1 10/18/2022 • Control haptic feedback (iPhones only): Store 1939010x in R0 to set the level to x (1..3, 0 for off). Recall R0 to see current level. „Sounds & Haptics“ / „System Haptics“ must be on in the iPhone's Settings. • Store 19390101 in R1 to toggle key-flashing on or off. (Note: Hewlett-Packard Company was founded on 1939-01-01) 2.5 09/26/2022 Turn thousands separators on and off by pressing FIX followed by the decimal point. 2.4 04/08/2022 • Results are now rounded to 12 digits internally digits, for better handling of chain calculations, e.g. 98.6, °F￫°C, n! doesn't produce an error anymore (thanks, Chris!) 2.3 02/16/2022 • Corrects the behavior of the stack when using the additional unit conversions 2.2.2 10/03/2021 • Fixes display issues when DISPLAY ZOOM is turned on 2.2.1 12/14/2020 Compatibility with iPhone 12 2.2 11/05/2020 • Key flashing may be turned off and on: - Store 19390101 in R1 to turn off - Recall 19390101 from R1 to turn on (Hewlett-Packard Company was founded an Jan 1, 1939) 2.1 04/01/2020 Bug fix: • Using scientific notation could crash the app in some regions, i.e. Australia, Sweden. 2.0.1 02/19/2020 • iOS 13 compatibility • Dismiss register view by dragging view down (iOS 13) Vintage-45 now requires iOS 11 or later. 2.0 01/25/2020 • New conversion factors: m/ft and g/oz (tap gold-plus to show) • Changed "Undo digit" sound to same as other CuVee calculators • Single-tap on display now shows registers, double-tap shows app info • Improved trig functions for extremely small angles • Many under-the-hood refinements • Support of late 2018 iPhones 1.8 01/11/2019 This update requires iOS 8 or later. • Calculator sounds mix with background audio and have their own volume control Bug fix: • Copy/pasting of time values in timer mode 1.7 10/02/2016 • Non-standard functions may be toggled on and off (tap gold key, then plus key) 1.6 08/16/2016 • Improved results for SIN, COS, TAN with very large arguments • Decimal addition/subtraction for higher precision 1.5 07/27/2016 • If audio is playing on start-up, Vintage-45 will not produce any sounds 1.4 09/02/2015 • HP-45 low-battery warning (all decimal points lit) if iPhone's battery drops below 5% • Supports 64-bit architecture Bug fixes: • Calculator didn't turn itself on (iOS 8) • LastX didn't work if RCL / n produced an error 1.3 02/11/2015 iOS 8 users: If the calculator fails to turn itself on, tap the display once. • Full-screen display • Compatible with iOS 7 • Requires iOS 5.1 or later Bug fixes: • Register arithmetic now handles under- and overflow correctly • Fixed pasting values dropping decimal point in certain regions 1.2 09/14/2013

Vintage-45 version 3.3

Updated At: 2026-03-09

Changes: • Improved compatibility with real HP-45 when using D.MS conversions: – With "Extras" set to off (yellow key, then "+" key to toggle): same results as real HP-45 – With "Extras" set to on: improved results (no digits dropped by conversion) EXAMPLE Convert 12.345612: – "Extras" off: D.MS-> 12.58225556, then -> D.MS back to 12.34560000 – "Extras" on: D.MS-> 12.58225556, then -> D.MS back to 12.34561200

Vintage-45 version 3.2

Updated At: 2025-10-16

Changes: • Localized decimal point and separator appear only when “Extras” is activated. • Improved compatibility with iPhone Air and iOS 26.

Vintage-45 version 3.1

Updated At: 2025-07-28

Changes: Jul 28, 2025 Version 3.1 When “Extras” are turned on ("Gold"-"+"), stack and registers are non-volatile.

Vintage-45 version 3.0

Updated At: 2025-05-30

Changes: May 30, 2025 Version 3.0 When “Extras” are turned on, you can switch between grams/ounce and grams/troy ounce using gold-“x”.

Vintage-45 version 2.9

Updated At: 2025-05-10

Changes: May 10, 2025 Version 2.9 • Faster startup – no delay until the first button press is recognized after switching on.

Vintage-45 version 2.8

Updated At: 2025-03-10

Changes: Mar 10, 2025 Version 2.8 If "Extras" are turned on ("gold-key", then "+"): • A number like 9.9e99 will show up as 1.e100 when the format SCI 0 is selected. • Calling up the stopwatch (RCL ENTER) initially shows a running clock in 12-hour format. Store up to 10 time values by pressing any key from 0 to 9.

Vintage-45 version 2.7

Updated At: 2024-10-19

Changes: Oct 19, 2024 Version 2.7 • Visual adjustments to iPhone 16 Pro and iPhone 16 Pro Max

Vintage-45 version 2.6

Updated At: 2023-11-22

Changes: Nov 22, 2023 Version 2.6 • Corrects rounding errors of the 1/x function with large numbers in FIX format. • Vintage-45 now requires iOS 12 or higher.

Vintage-45 version 2.5.1

Updated At: 2022-10-18

Changes: Oct 18, 2022 Version 2.5.1 • Storing 19390101 in R1 toggles key-flashing on and off. • Recalling 19390100 from R1 turns key-flashing off; recalling 19390101 turns it on. • Fixed a problem related to the STO and RCL instructions.