Products of Hermetic Systems 

This software allows you to: (i) Display the current phase of the Moon. (ii) Calculate the phase of the Moon for any time in the past or future within a 9000-year period. (iii) Convert between dates in various calendars (three solar calendars, the Gr......

Easy Graphics File Converter is for converting one or many graphics files from one format to another. The graphics file formats supported are GIF, JPG, BMP (Windows bitmap files) and PNG (Portable Network Graphics). The last format is comparatively n......

When Windows 'deletes' a file it does not actually destroy the contents of the file but rather simply unlinks the file from the file directory system, leaving the contents of the file in the disk sectors. This data will remain there until the opera......

This software scans a file, or text on the clipboard, and counts the number of occurrences of the different words. The words which are found and displayed can be ordered alphabetically or by frequency. The program can be told to allow or disallow wo......

The Chinese Lunar Calendar is a solilunar calendar, consisting of months corresponding exactly to lunar cycles and years which stay more-or-less in sync with seasonal years. The structure of the calendar depends on the exact times of certain astronom......

The Prime Number Spiral (a.k.a. the Ulam Spiral) is constructed as follows: Consider a rectangular grid. We start with the central point and arrange the positive integers in a spiral fashion (anticlockwise). The prime numbers are then marked. There i......

A cellular automaton consists of:

(a) A structure of cells, such as the squares on a chess board.
(b) A set of values or "states" such that each cell is associated with a particular state.
(c) A set of rules describing how one state of the sy......

Cryptosystem ME6 is a Windows program which uses a symmetric key encryption system to encrypt information in either a single file or in multiple files (at once) so that it cannot be read by those not knowing the key. Data is encrypted using a key whi......

Factorizer is a Windows program to find factors of numbers up to 2,147,483,646 and to find primes, pairs of primes and Palmen colors of numbers. Or in more detail, Factorizer may be used: (1) to get the prime decomposition of all numbers in a range o......

Easy HTML Construction Kit provides an easy way to create the HTML code for lists and tables, and to convert data in textfiles (such as archives of mailing lists) to lists, tables and full HTML documents. It comprises six separate utility programs, a......

 Products of Hermetic Systems