Software Listing of Author : "Abecedarical Systems"

  • Almanac
  • License: Freeware
  • Price: 0.00

Almanac gives you the capability to determine the times of rising, setting, and meridian transit for the sun, the moon, and the planets. It also enables you to calculate the beginning and ending of astronomical, nautical, and civil twilight. The results of the calculations are formatted and written into a text editor. You can perform all common editing functions and save the data as a text file. The formulae used in Almanac assume an ideal horizon where the intersection of the sky with the apparent plane of the earth\'s surface at the observer is the horizon. For rise/set calculations, the observer has zero elevation so that the horizon is exactly 90 degrees from the local vertical. Refraction of light passing through the earth\'s atmosphere tends to make objects appear higher in the sky than they actually are. This effect increases...

  • Platform: Win2000, WinOther

The sets class can be used to perform set operations in your programs. It represents set elements as bits in a private array of unsigned long integers. The array size is a defined constant which can be changed to suit your application. The sets class supports the following set operations by means of C++ operator overloading: (1) union -- The union of two sets A, B is the set of all elements which belong to either A or B. In the sets class, the symbol + is the binary union operator. (2) intersection -- The intersection of two sets A, B is the set of all elements which belong to both A and B. The symbol * is the binary intersection operator: A * B = {x: x is in A -and- x is in B } (3) complement -- In set theory, sets are subsets of a fixed universal set U. In the sets class, U is the set of elements numbered from 1 to MAX_WORDS *...

  • Platform: Win2000, WinOther

This source code enables you to plot the solutions to scientific and engineering problems. The Visual C++ programming environment was chosen for realization of numerical computation techniques. Visual C++ includes many advanced features that make it especially suitable for scientific and engineering computations. Visual C++ is also widely used; there is a wealth of information available on how to program with it. Many of the features of Visual C++ enable you to write computer programs that can perform useful numerical computations. It includes an extensive set of mathematical functions. You may define classes of data together with methods to perform abstract operations such as vector and matrix arithmetic. A new project can be set up in the Visual C++ 6.0 environment using the following steps: (1) Select New from File menu. (2) In...

  • Platform: Win2000, WinOther

This is a Java application that demonstrates the Simulated Annealing algorithm with an attack on the "traveling salesman" problem. What is simulated annealing? Simulated annealing is a technique, which was developed to help solve large combinatorial optimization problems. It is based on probabilistic methods that avoid being stuck at local (non-global) minima. It has proven to be a simple but powerful method for large-scale combinatorial optimization. For practical purposes, simulated annealing has solved the famous traveling salesman problem: find the shortest of N! paths connecting N cities. Simulated annealing finds a very good approximation to the shortest path out of the huge number of all possible paths. Annealing is nature\'s trick to find extrema in very complicated situations. Simulated annealing mimics on a computer the...

  • Platform: Not Applicable

time-warp (noun) A hypothetical discontinuity or distortion occurring in the flow of time that
would move events from one time interval to another or suspend the passage of time. The TimeWarp utility sets your computer's time for your time zone from a master atomic clock using a modem. Timing messages from either the United States Naval Observatory (USNO) or the National Institute of Science and Technology may be used. It gives you the capability to set your computer's clock to official US date and time in your time zone. It requires MS-DOS and a telephone modem on an IBM-PC compatible.

  • Platform: MS-DOS
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