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Omid Motahed is programming enthusiast and
a hobby
Delphi programmer. I am donating my personal Delphi programs that I
have written and collected since 1996. They are all absolutely
free to use and distribute. I have been a great fan of
Delphi since Turbo Pascal was introduced in 1983. I am a self taught
mathematician and Delphi programmer. I wil be 70 in 2027, how time flys
fast. You can contact me at motahed1@yahoo.com . A preview of Delphi 7
Lite can be viewed in YouTube . Delphi 7 Lite official website https://delphi7lite.wordpress.com/ . |
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2-Rectangular Jigsaw puzzle maker 3-Linear Algebra 4-Rubik Cube Simulator 5-Highpower large integer calculations 6-FindWords 7-Lagrange Polynomial Interpolation 8-Anagram generator 9-Hexadecimal calculator 10-AccessTables(No MS office needed) 11-FIFTEEN-Sliding Rectangles game 12-StretchPic 13-Thumbnails 14-PictureOverlay 15-Morphing 16-PrintRuler 17-PrintScreen 18-Karnaugh Map & Boolean Calculator 19-GeoCAD(Geometry drawing app) Evil and unjustified closure of my Facebook account |
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Delphi Chess
This chess component was written in 2005 by Author : Daniel Terhell,
Resplendence Sp, Amsterdam , which I have a lot words of prise for him.
For more than 30 years I was looking for such app with source
code.
Unfortunately I discovered it late in 2025. He used some very
advanced
programming and graphics for writting this chess component that I am
still not sure how it works . I modified his demo program such that
game board can be saved and played later and allows you to setup
arbitrary chess pieces positions . A great software if you want to
learn ChessFor more info see https://www.resplendence.com/chessbrd  Download Chess app Download source code |
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Rectangular Jigsaw puzzle maker
This powerful
program allows you to create very complex rectangular JigSaw puzzles by allowing you to break the image into 400 squares , with many special effects. My own photo on
the top of this page was created with this app
My own photo 10 by10 rectangles 
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calculation and avoid divisions to avoid round offs obtaining maximum precision. You can also do basic Matix algebra
operations like ADD, SUB, MUL, INV . This is good app using Delphi recursions . It took me long time to get all of
its bugs fixed specially the Stack Overflow problem. Delphi debugger worked good in tough recursion problem using
dynamic arrays.
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This app does not solve a Rubic Cube problem. Rubik cube can be randomized by typing a number.
On the right bottom you see 4 lables. As you move the mouse their font will change. Just click to get a rotation
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Hexadecimal calculator Program for converting floating
point decimal numbers to hexadecimal floating point numbers.
Windows calculator can only do integer hexadecimal conversion. Result
are unsigned raw data not in IEEE format. |
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AccessTables
A
simple Access/Excel database utility, which allows you to read and
write Access and Excel files using ADO
Table/SQL components. Allows new
Access and Excel database creation. Excel files must be in database
format. No joint cells in Excel file. You won't need Microsoft to be
installed on your computer. This app uses Windows built-in Access
Database engine that MS uses |
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FIFTEEN A simple implementation of the sliding rectangle game. The number of rectangle cells are as many as you desire. More info see http://en.wikipedia.org/wiki/15_puzzle |
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StretchPic
This project
shows my implementation of pixel duplication method to sretch
imagesDownload program Download source code |
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Thumbnails
Allows
you to combine several pictures of different sizes in a rectangle
canvas next to each other. Combining several pictures into 1 picture.
Thumbnail image can be saved or directly copied into Clipboard. Use of
this app is very easy. Just click on any cell and you will be prompted
to load a file. You can divide the drawing canvas into maximum 100
rectangles. Images will be stretched to fit each rectangle, Download App |
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PictureOverlay
Allows
multiple photos of different sizes to be overlayed
on the top of each other, with transparency and rotation control.
Very easy to create ghost images on top of another image with watermarks Download program |
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Allows morphing of one picture into another picture. This morphing implementation not perfect . Requires RxLIB component library . See RXLIB instructions.
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PrintRuler
A 30 cm
accurate ruler is printed. A lot cheaper than buying a real one. |
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PrintScreen
A simple printscreen/screenshot
program that will be activated when print screen key is pressed. User
can later crop the desired area, save to file or clipboard.Download program Download Source code |
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Karnaugh
Map,Boolean Calculator
This Boolean Calculator
is a very powerful tool for evaluating Boolean expressions like AND,
NAND, NOT, OR, NOR, XNOR operations and can also simplify(optimize) Karnaugh Map problems. With this
tool very complex DeMorgan identities can be created. EE digital
engineers can use it to optimize their digital circuitry also. There is a saying picture worth 1000 words. Here are few screenshots of this app 
Download program Download Source code Download Documentation |
