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A program to search for eclipses (lunar, solar, total, annular and umbral), to calculate the phase of the Moon at any given date and time and to convert between dates in the Gregorian and Julian calendars and dates in four lunar calendars.
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Software for exploring five cellular automata: q-state Life (a generalization of Conway's Life), the Belousov-Zhabotinsky Reaction, Togetherness, Viral Replication and Diffusion-Limited Aggregation.
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Converts from GIF, JPG, PNG and BMP graphics files to JPG, PNG and BMP files. Allows single or multiple file conversion. Can convert to JPGs over a range of quality/compression values for optimization. Converted files displayed in your browser.
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This software scans a file, or text on the clipboard, and counts the number of occurrences of different words. The text can be in a language other than English. The words which are found and displayed can be ordered alphabetically or by frequency.
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A program to find prime numbers and pairs of primes, to decompose numbers into their prime constituents, to find all factors of any positive integer up to 2,147,483,645, and to plot Erdos-Kac and Palmen Color histograms.
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A program to convert between dates in various Chinese calendars and dates in the Gregorian and Julian calendars, and to find lunar new year's day and leap months for any year in the Chinese Calendar.
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This software is for indexing and searching text files, HTML files, XML files or files of a similar type in a hierarchy of files on a hard disk, memory stick, CD-ROM or similar storage medium.
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A web authoring tool which scans an HTML file, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag for the document. Customizable operation and it works with non-English text.
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A web authoring tool which acts on an HTML document, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag. The Advanced Version can act on multiple documents in a folder and its subfolders.
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This program includes an interactive TABLE generator which handles COLSPAN and ROWSPAN, and provides an easy way to create HTML code from lists and tables in textfiles, and to convert data in textfiles to finished HTML documents.
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A steganography program which allows you to encrypt and hide a file of any size in BMP image files, with or without the use of a stego key, so that the presence of the hidden file is undetectable, even by software using statistical methods.
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The Prime Number Spiral (a.k.a. the Ulam Spiral) is formed by marking the prime numbers in a spiral arrangement of the natural numbers. This is software is for exploring the Prime Number Spiral.
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Adds or subtracts a number of days or months to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week, Hermetic Leap Weak and day-in-year (yyyy-ddd).
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Adds a number of days to a date, calculates the number of days between two dates, and converts among dates in various solar calendars: Gregorian, Julian, ISO 8601 Week and Hermetic Leap Weak. Has a built-in programming language.
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Windows software for encryption and decryption of single files or multiple files in a single operation for secure storage or secure transmission. It uses a 500-bit key for security, and has features designed to minimize the chances of user error.
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Windows software to back up files in all (or selected) folders and their subfolders; all files, or just new and modified files, can be backed up.
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