P&K 3781

Program Version Review

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Version 5.4.0.63/Windows (2008-03-22)

• Fix for different screen resolution if other than 96dpi.

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Version 5.4.0.62/Windows (2007-12-18)

• In most of the forms an embetted help has been added. This can be turned off in Preferences.
• New form to store constants, which can be used in most numeric entry fields.

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Version 5.4.0.58/Windows (2006-04-24)

• User defined s values file didn't load.

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Version 5.4.0.57/Windows (2005-10-26)

• Startup time 30% reduced.
• Documents revised to avoid MS IE error messages.

Version 5.4.0.54/Windows (2004-06-19)

• New dialog under Options in which the S-value set can be selected according to the TA Luft Version in use.

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Version 5.4.0.53/Windows (2004-03-03)

• One can now select whether emission concentration or the mass flux of the substances is to be adjusted on changes of the waste gas quantity.

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Version 5.4.0.52/Windows (2004-01-29)

• The inverted values have been stated accidently for K and k in the report.

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Version 5.4.0.51/Windows (2003-09-04)

• Alternatively, comma or dot can be used as decimal delimiter, when entering real numbers.
• Comma or dot can be selected as decimal delimiter in outputs.
• Single Columns can be imported via the Popup Menu. From the selected file, the values are taken and written to the position, from which the dialog was invoked. One value will be read per line from an ASCII file (includes CSV format) .
• In most cases, the graphic settings can now be saved.
• New form Preferences
• Search function in table editor.

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Version 5.4/Windows (2003-03-16)

• Problems with the saving of project data have been fixed.
• The graphic setup is now German if this language is selected.
• The graphic might now have a background image.
• Invalid values in the report of corrections could cause an error message. These values are now shown as NaN (Not a Number).
• The background of the graphics is now white to simplify printing.
• Inside the table dialogs, one could get mixed up column values, when columns were moved with a column filter set.
• Simplified installation procedure. The downloaded file is a executable program, which doesn't need to be unpacked beforehand.

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Version 5.3/Windows (2002-09-11)

• Program has been changed to the requirements of the TA Luft 2002.
• All references to HTML.OCX have been removed.
• In many input fields, a calculator can be invoked via the right mouse button.
• The calculation according to TA Luft is now enabled in the demo version.

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Version 5.1.0.18/Windows (January 12, 2001)

Main program

When starting the Adaptation calculation, one will be informed, that the schema parameter will be overwritten. The calculation itself has been extended with status information.

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Version 5.1.0.17/Windows (November 23, 2000)

Main program

Problems with falsely entered serial numbers fixed.

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Version 5.1/Windows

Full Windows support with the appropriate operation. You no longer need to learn any code numbers for program control. You can select, from easily understandable lists, which variants the program should calculate. Now with more attractive lists and graphics, which can be printed to standard Windows printers or inserted into other programs via the clipboard. Also graphics can be zoomed or moved.

The program is present in German and English.

Version 2/DOS

This program calculates the stack height according to TA Luft, including an additional development and vegetation, as well as a correction with regard to rugged terrain according to VDI 3781 part 2.

The characteristic parameters for the schematized types of terrain (VDI guideline) are determined, from to a terrain profile.

Instead of an "frequently chosen, but inaccurate" analytical description, the nomogram has been digitalized.

The list of the TA Luft pollutants is integrated in the program. For documentation of the results, the lists as well as the graphics can be viewed on the screen or printed.