Hermetic Systems

Data Destroyer 6.24
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 unt...

Factorizer 8.54
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 ra...

Easy HTML Construction Kit 6.44
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 program...

Easy Graphics File Converter 3.11
A program for converting between BMP, GIF, JPG and PNG graphics files. Has two modes of operation: (i) A single file can be converted to all other formats (except GIF) in one operation. (ii) In batch mode any number of files in a folder can be ...

Keywords Meta Tag Generator 2.04
This program acts on an HTML document, counting the number of occurrences of words and how they are used, and produces an appropriate keywords meta tag for the document. It ignores common words such as `this` and the resulting keywords meta tag ...

Cryptosystem ME6 6.34
Cryptography is that area of expertise which deals with secret writing, the art or science of storing information in a form which hides it from those not meant to see it, yet allows it to be revealed when needed. Cryptosystem ME6 is a software pr...

Prime Number Spiral 6.44
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. The...

Five Cellular Automata 5.34
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 o...

Lunar Calendars and Eclipse Finder 5.44
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, th...

Hermetic Stego 3.24
If you have information stored in files on your computer (or that you wish to send to someone) and you don`t want anyone who might gain access to your PC (e.g., a thief) to be able to read those files then you can encrypt that data using a secure...

Easy Date Converter 7.34
Easy Date Converter is a program to perform arithmetical operations with Gregorian, Julian and Annus Novus dates and Julian day numbers. (It is a trilingual English/German/Spanish program.) Suppose a meeting is scheduled for exactly ten weeks (7...

Chinese Calendrics 6.14
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 astr...