About Qalculator
Qalculator is a convenient tool for media professionals. Qalculator offers a variety of different calculation tools and utilities all of which are made for tasks often performed within the Film-/TV-, Theatre- and Event...
Qalculator is a convenient tool for media professionals. Qalculator offers a variety of different calculation tools and utilities all of which are made for tasks often performed within the Film-/TV-, Theatre- and Event Industry. This includes: - Lighting Beam Calculation - Projection Tools - Camera Tools - Audio Tools - Tap BPM - Display Size - DIP Switches - Bandwidth Calculation - Frames To Time This app is designed for professionals such as Sound Engineers, Audio Technicians, Lighting Designers, Lighting Technicians, Lighting Operators, Video Engineers, Video Technicians, Camera Men, Camera Technicians and many more. How big will the projected image be if I use a lens factor of 1,5:1 and have my projector at 32' 5" distance from the screen? Qalculator will help! Want to know which focal length you need to get a close up shot? Qalculator assists you. Ever wanted to know how wide a 103" Screen is? Qalculator delivers the solution at your fingertip. Feedback and feature requests are very welcome! Qalculator does: - Lighting beam diameter calculation - Lighting beam object distance calculation - Video projector image size calculation - Video projection lens factor for given image size and projection distance - Video projection distance for given image size and lens factor - Video projection approximate brightness calculation (lux/fc) - Camera distance for given focal length and field of view - Camera focal length for given distance and field of view - Camera field of view for given object distance and focal length - Camera chip size selector for a variety of different chip sizes - Audio delay time for given distance with respect to temperature - Audio wavelengths and travel times for given frequency with respect to temperature - Audio find phase offset and delay for instance for bass speaker arrays - Display Size calculates the complete dimensions for diagonal screen sizes - Tap BPM tap to calculate the average beats per minute - DIP Switches for DMX addressing of DIP switch based devices - DIP Switch offset to step through the DMX address fixture per fixture - Transfer time calculation for a given file size and bandwidth ... and more.
Version History minimal improvements for different screen sizes 2.3.3 10/13/2022 a bugfix 2.3.2 10/02/2022 New tool: A/V Sync Test. Some minor adaptions for current iOS. 2.3.1 09/28/2022 - minor bugfix which addresses a crash on certain iPhones 2.2.2 12/12/2019 - Bugfix - New feature: Camera Tools Live Preview (iPhone) 2.2.1 05/30/2019 - Thanks to your feedback we could fix a bug with imperial units in the Display Size tool. - Added a new Tool: Frames To Time. Simple recalculation of timecodes in different frame rates with the ability to add or subtract another time to/from the given time. Enjoy Qalculator! 2.2.0 05/24/2019 bugfix 2.1.3 10/14/2017 We have removed the 3D touch quickactions in favor of a widget view that also appears when you deep press the app icon. The order of the apps menu is respected for the widget view so go ahead, sort the tools you need most to the top of the menu an you will have them ready for both the widget and for 3D touch on the app icon. Enjoy having everyday calculations at your fingertips! 2.1.2 10/12/2017 - iOS 11 adaptions - improvements for Camera Tools and Display Size - minor overall improvements 2.1.1 10/09/2017 - New tool: Bandwidth Calculation lets you calculate how long a transmission of a given file size takes at a given bandwidth 2.1.0 10/31/2015 - iOS 9 Adaptions - Added 3D Touch Quick Actions (App Icon Home Screen Actions) You can now launch a specific tool from the home screen. The list of quick actions can be sorted by sorting the in-app menu list. Please note that only the first 4 menu items will be reflected in the quick actions sheet. 2.0.3 10/18/2015 - minor changes for iOS 8, iPhone 6 & iPhone 6 plus 2.0.1 10/29/2014 - Completely new coded app - Imperial units support (foot, inch, °Fahrenheit) - Massively improved usability - Including "Field of View" calculations for chip-sizes/cameras such as: 5D Mark II, Red One, and 35mm - Graphical representation of all calculations - Rearrangeable menu - Automatic device orientation lock for specific views If you like Qalculator 2.0.0 please leave a Review in the App Store! 2.0.0 10/10/2014 1.0.0 04/29/2013
Previous Versions
Here you can find the changelog of Qalculator since it was posted on our website on 2023-06-27 23:56:50.
The latest version is 2.3.3 and it was updated on 2026-06-27 05:32:47. See below the changes in each version.
Qalculator version 2.3.3
Updated At: 2026-06-07
Changes: Version History minimal improvements for different screen sizes 2.3.3 10/13/2022 a bugfix 2.3.2 10/02/2022 New tool: A/V Sync Test.
Some minor adaptions for current iOS. 2.3.1 09/28/2022 - minor bugfix which addresses a crash on certain iPhones 2.2.2 12/12/2019 - Bugfix
- New feature: Camera Tools Live Preview (iPhone) 2.2.1 05/30/2019 - Thanks to your feedback we could fix a bug with imperial units in the Display Size tool.
- Added a new Tool: Frames To Time. Simple recalculation of timecodes in different frame rates with the ability to add or subtract another time to/from the given time.
Enjoy Qalculator! 2.2.0 05/24/2019 bugfix 2.1.3 10/14/2017 We have removed the 3D touch quickactions in favor of a widget view that also appears when you deep press the app icon. The order of the apps menu is respected for the widget view so go ahead, sort the tools you need most to the top of the menu an you will have them ready for both the widget and for 3D touch on the app icon. Enjoy having everyday calculations at your fingertips! 2.1.2 10/12/2017 - iOS 11 adaptions
- improvements for Camera Tools and Display Size
- minor overall improvements 2.1.1 10/09/2017 - New tool: Bandwidth Calculation lets you calculate how long a transmission of a given file size takes at a given bandwidth 2.1.0 10/31/2015 - iOS 9 Adaptions
- Added 3D Touch Quick Actions (App Icon Home Screen Actions)
You can now launch a specific tool from the home screen. The list of quick actions can be sorted by sorting the in-app menu list. Please note that only the first 4 menu items will be reflected in the quick actions sheet. 2.0.3 10/18/2015 - minor changes for iOS 8, iPhone 6 & iPhone 6 plus 2.0.1 10/29/2014 - Completely new coded app
- Imperial units support (foot, inch, °Fahrenheit)
- Massively improved usability
- Including "Field of View" calculations for chip-sizes/cameras such as: 5D Mark II, Red One, and 35mm
- Graphical representation of all calculations
- Rearrangeable menu
- Automatic device orientation lock for specific views
If you like Qalculator 2.0.0 please leave a Review in the App Store! 2.0.0 10/10/2014 1.0.0 04/29/2013
Qalculator version 2.3.3
Updated At: 2022-10-13
Changes: Oct 13, 2022
Version 2.3.3
minimal improvements for different screen sizes
Qalculator version 2.3.3
Updated At: 2022-10-13
Changes: minimal improvements for different screen sizes
Disclaimer
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