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Is FTN95, version 8.70.0.0 fully compatible with the Windows 11 operating system? If not, which later versions of FTN95, if any, are compatible with Windows 11?

My Plato IDE (Version 4.3.0) is not color-coding the EQV and NEQV logical operators, but the FTN95 compiler is apparently treating them properly. I wonder if later versions of Plato properly color-cod ...

The latest version of my conceptual design and analysis program for rockets and their missions fails to display portions of the GUI on a user's computer with a 64-bit Windows 7 Professional operating ...

Eddie,

All of the ZOOM development work (in more recent times) has been done on a Windows 7 desktop using the following versions of FTN95/Plato/salflibc.dll:

5.5.0.0 / 4.3.0.0 / 12.2.27.2

Whe ...

Thanks to all for the help you've offered in trying to find the cause of the "stopped working" failures of ZOOM on a Windows 8.1 machine. I haven't yet responded to some queries and comments ...

Eddie,

I failed to address your suggestions directly in my previous reply. I used the %sc command for the drawing surfaces where the rocket configuration would be drawn (there were the three except ...

Eddie,

Before the program begins its iterations to fine a quasi-optimum solution, it creates a drawing surface with %gr. Then during the iterative process, direct calls to the draw-rocket routine a ...

Eddie and Dan,

There are 16 places in the code where the rocket-drawing routine was being called from the midst of a block of winio statements. In these places, I substituted %sc commands and calle ...

Eddie, I just created a simple example combination of text and graphics using the %sc command with its call-back function. It took me a while to realize that the call-back function had to be set to a ...

It may have been more appropriate for this reply to be a private, but I couldn't succeed in sending it as a private message.

Eddie, Thanks much for your suggestions. The reason that my %gr commands ...

Eddie,

I don't specify handles in the %gr commands. Two source files and screen shots of three ZOOM windows can be downloaded at:

http://trajectorysolution.com/zoom-info.zip

There are several ...

Thanks for the suggestions everybody.

The "stopped working" condition has always occurred when a button is clicked. It's never occurred when the program is heavily-involved in calculating ...

Eddie, Since first using FTN95 in about 2007, I've always "set global save" and "zeroize saved variables" in the project configuration setup. I believe that these were the default ...

During the past week or so, I've struggled to get ZOOM working on Windows 8.1, making a few structural changes, increasing ZOOM's run priority, running in the safe mode, and using the debugger. Execut ...

When comparing real numbers, I always use a tolerance factor. For example:

real:: numtol =1.e-12

if(x <= y+numtol)then ...

With a statement such as this, and x =1.23456 and y =1.23456, the ...