Free Ephemeris Software

Alcyone Ephemeris by alcyone software

Alcyone Ephemeris is an accurate and fast astronomial ephemeris calculator covering the period 3000 BC to AD 3500. It calculates heliocentric, geocentric, and topocentric positions of the Sun (Earth), Moon, and planets in ecliptical, equatorial, and horizontal coordinates, with optional corrections for parallax and refraction; rectangular coordinates, velocity, acceleration, apparent diameter, magnitude, phase, lunar libration and more.

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SourGumdropK by Rod Gerstad

Enjoy playing Kakuro with SourGumdropK and discover new methods. An interface that lets you concentrate on solving the puzzle. A mouse click will pop-up the possible combinations for any row or column. Hints for fifteen solving methods. Error checking. Undo mechanism. Built-in puzzles. Puzzle input methods (so you can solve external puzzles). Difficulty ratings. Cell and candidate colouring for pattern discovery. Source code included.

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MicroAdobe PDF Reader by MicroAdobe Software Inc

MicroAdobe PDF Reader is a professional reader for PDF documents. You can zoom in/out or rotate page display, copy text information to other applications, search text in PDF documents, or print PDF documents.

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