Mono is an OpenSource .NET Framework for Windows, Linux and MacOSX. It also exists for Android, iPad and so on.

Mono comes with the C# compiler called mcs.
But there existing additional a Visual Basic Compiler for it with the VisualBasic runtime classes.

The VB Mono side you can find at
http://www.mono-project.com/VisualBasic.NET_support

The Sourcecode you can find at
http://ftp.novell.com/pub/mono/sources/mono-basic/

If you download mono-basic-2.10.tar.bz2 and unpack it, you will find in the directory of it in
mono-basic-2.10\vbruntime\Microsoft.VisualBasic\Microsoft.VisualBasic
the runtime classes.

Possible code of it could be used for the Jabaco-Framework (as port to Java) ?
For example in Financial.vb it includes all financial calculations.

Here the header text of that file:

Quoted

'
' Financial.vb
'
' Author:
' Mizrahi Rafael (rafim@mainsoft.com)
' Boris Kirzner (borisk@mainsoft.com)
'

'
' Copyright (C) 2002-2006 Mainsoft Corporation.
' Copyright (C) 2004-2006 Novell, Inc (http://www.novell.com)
'
' Permission is hereby granted, free of charge, to any person obtaining
' a copy of this software and associated documentation files (the
' "Software"), to deal in the Software without restriction, including
' without limitation the rights to use, copy, modify, merge, publish,
' distribute, sublicense, and/or sell copies of the Software, and to
' permit persons to whom the Software is furnished to do so, subject to
' the following conditions:
'
' The above copyright notice and this permission notice shall be
' included in all copies or substantial portions of the Software.
'
' THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
' EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
' MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
' NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
' LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
' OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
' WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
'

So the file is licensed under the MIT-license.But it is equivalent to the new BSD-license, which the Jabaco-framework use.
So can Mono-VisualBasic runtime code be ported to the Jabaco-framework?

Currently the Jabaco framework have only implemented DDB:
http://code.google.com/p/jabacoframework…/Financial.java

But the Mono-VisualBasic have implemented ALL of it.
That SLN is calculated as (Cost - Salvage) / Life , I have already find myself out. But the other ones would need a lot of longer to find it out. So porting the Mono-code would be easier.



As port to Java, the Mono code could possibly safed to the future.
I am not sure, which future is more unclear: The future of Java or the future of Mono.
First Oracle buyed Sun and seems to destroy nearly Java. A lot of good Java-developer have since then left the company.
And now Novell was acquired by Attachmate. And Attachmate plans to turn out the complete Mono-team at Novell.

Because Mono is OpenSource it will never really die. But the times, where Mono was fast developed seems to be over.

I am thinking if mathematical formulas are general without copyright.
Then it would be possible to port the Mono-Basic Financial over to the Jabaco Framework without to mention Mono or the MIT-license.