ATC Calculator2.0 - App Store
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Publisher Description
ATC Calculator (ATCCalc) is a utility for use in stage rally competition for calculating the arrival time for the next control. Time can be entered in minutes or hour:minute format. Hour:minute time is based on a 24-hour clock.
The time values are displayed in a large format for easier viewing. The buttons are larger and separated to make it easier to select the intended button on rough transits.
Version History ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9. 2.0 01/15/2016 Background can be toggled between white and black.
Fixed odd behavior with Clear Entry after '=' has been pressed.
Minor, miscellaneous improvements. 1.2 08/19/2011 1. ATCCalc now requires that the clear button be pressed twice to actually clear the calculated arrival time value (the top line) after "=" had been pressed. This is to avoid accidentally deleting the calculated arrival time.
2. The size of the "+" and "=" buttons have been changed so that they are the same size.
3. Minor bug fixes. 1.1 05/24/2010 1.0 03/27/2010
About ATC Calculator
The company that develops ATC Calculator is Alan Perry. The latest version released by its developer is 2.0.
To install ATC Calculator on your iOS device, just click the green Continue To App button above to start the installation process. The app is listed on our website since 2026-10-15 and was downloaded 0 times. We have already checked if the download link is safe, however for your own protection we recommend that you scan the downloaded app with your antivirus. Your antivirus may detect the ATC Calculator as malware if the download link is broken.
How to install ATC Calculator on your iOS device:
- Click on the Continue To App button on our website. This will redirect you to the App Store.
- Once the ATC Calculator is shown in the iTunes listing of your iOS device, you can start its download and installation. Tap on the GET button to the right of the app to start downloading it.
- If you are not logged-in the iOS appstore app, you'll be prompted for your your Apple ID and/or password.
- After ATC Calculator is downloaded, you'll see an INSTALL button to the right. Tap on it to start the actual installation of the iOS app.
- Once installation is finished you can tap on the OPEN button to start it. Its icon will also be added to your device home screen.
Program Details
System requirements
Download information
Pricing
Version History
version 2.0
posted on 2026-10-15
Version History ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9. 2.0 01/15/2016 Background can be toggled between white and black.
Fixed odd behavior with Clear Entry after '=' has been pressed.
Minor, miscellaneous improvements. 1.2 08/19/2011 1. ATCCalc now requires that the clear button be pressed twice to actually clear the calculated arrival time value (the top line) after "=" had been pressed. This is to avoid accidentally deleting the calculated arrival time.
2. The size of the "+" and "=" buttons have been changed so that they are the same size.
3. Minor bug fixes. 1.1 05/24/2010 1.0 03/27/2010
version 2.0
posted on 2026-09-03
Version History This app has been updated by Apple to prepare for watchOS 27 compatibility. No new features are included.
ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9. 2.0 01/15/2016 Background can be toggled between white and black.
Fixed odd behavior with Clear Entry after '=' has been pressed.
Minor, miscellaneous improvements. 1.2 08/19/2011 1. ATCCalc now requires that the clear button be pressed twice to actually clear the calculated arrival time value (the top line) after "=" had been pressed. This is to avoid accidentally deleting the calculated arrival time.
2. The size of the "+" and "=" buttons have been changed so that they are the same size.
3. Minor bug fixes. 1.1 05/24/2010 1.0 03/27/2010
version 2.0
posted on 2026-08-21
Version History This update from Apple will improve the functionality of this app. No new features are included.
ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9. 2.0 01/15/2016 Background can be toggled between white and black.
Fixed odd behavior with Clear Entry after '=' has been pressed.
Minor, miscellaneous improvements. 1.2 08/19/2011 1. ATCCalc now requires that the clear button be pressed twice to actually clear the calculated arrival time value (the top line) after "=" had been pressed. This is to avoid accidentally deleting the calculated arrival time.
2. The size of the "+" and "=" buttons have been changed so that they are the same size.
3. Minor bug fixes. 1.1 05/24/2010 1.0 03/27/2010
version 2.0
posted on 2016-01-15
This app has been updated by Apple to display the Apple Watch app icon.
ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9.
version 2.0
posted on 2016-01-15
Jan 15, 2016
Version 2.0
This app has been updated by Apple to display the Apple Watch app icon.
ATC Calc 2.0 has the following changes:
- It fixes issues that stopped previous versions of ATC Calc from working with iOS 9.
- The buttons and displayed time values are presented somewhat differently in an attempt to make them easier to read in all lighting situations.
- It replaces the black-text-on-white-background/white-text-on-black-background toggle with a slider that adjusts the "brightness" of the background, buttons and display. It does this by adjusting how gray they are displayed.
- It scales the buttons and displays to match the size of the screen that it is being run on.
There is one small problem noted on some devices. On these devices, the brightness slider will sporadically not respond when touched. This is only an issues on a small number of devices and is a small problem compared to this app not working at all on iOS 9.
version 2.0
posted on 2010-03-27
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Official App Store Link
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