Double and Dragon Set Software for Windows

Double-V
$6.95 - Spriteworks Developments

Double-V v1.0 is an easy-to-use and completely customizable vertical navigation menu with custom cursor support, support for special effects and embedded images within menu titles. It comes with 8 different button themes and over 70 different mini-images. Double-V v1.0 provides a convenient way for visitors to navigate your site.

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Double Pipe Heat Exchanger Design (DHex)
$59.99 - WeBBusterZ Engineering Software

DHex is a software tool that is made to demonstrate the chemical design calculations of Double pipe (hairpin) Heat Exchangers.The software will do all the thermal calculations involved in the design and will generate a summary of all results, List of main functions:
+Step by step calculation
+Support S.I Units and English (U.S) Units of mesurement.
+User database functions to allow user to add/delete components and load to hot/cold side (Empty database!).
+Ability to import properties to Hot/Cold sides from Microsoft Excel.
+Ability to calculate unknown Cold or Hot side temperatures.
+Perform thermal analysis for bare tube double pipe (hairpin) heat exchangers.+Perform thermal analysis for finned tube double pipe (hairpin) heat exchangers.
+Choose from Counter Current or Co-Current Flow arrangement.
+Choose from Series arrangement or Series-Parallel arrangement.
+The software will also tell you the location of Hot/Cold fluids within the heat exchanger (Inner Pipe or Outer Pipe).
+Select from different correlations to calculate Cold/Hot side heat transfer coefficient. Also the ability to adjust Nusselt number if you do have a different correlation.
+Calculate the Area, Flow area, Length, Log Mean Temperature Differance, Number of Hairpins,Unknown Flow rate.
+Calculate the scale resistance (dirt factor), Equivalent Diameter.
+Calculate Pipe/Annulus side Reynolds, Nusselt numbers & Prandtl Numbers
+Duty Calculation, Clean and Design Overall heat transfer coefficient calculations.
+Pipe/Annulus velocities and Mass velocity calculations
+Number of Transfer Units and Thermal Capacity ratio calculation +Clean and Fouled Fin Efficiency calculations for finned tube heat exchanger.
+Pressure drop calculations & Entrance and Exit losses.
+Export Results summary to Microsoft Excel
+Save/Load results. Generate/Print a summary of results. For more information visit or

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FindDoubleFiles
$9 - Zultrax Software

Search, find and remove duplicate files on your disks with this handy tool.

When maintaining larger collections of images, music or other files FindDoubleFiles can be handy maintaining your collections.

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Double Deck Pinochle
$24 - SAC Products

4 hand,double deck, No pass game. Review of deal, Sound on/off, Save game for play later, name players, game to 350 or 500 points, Review on/off, Supports Meld Bids, Hints, Won/lost record, Very competitive play. Shareware version has 25 game limit. Registered versions have unlimited play, free upgrades and support. CD's of the game are $4.00 (Shareware, mailed to your home). Registration of the game is $24.00. Pinochle is upgraded on a regular basis. The latest shareware version is allways available from our web site. Pinochle changes the screen resolution to 800x600 at launch and restores the original resolution on exit. Desktop properties must be set to small fonts for correct display. External speakers are recommended.

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Double Fractal
$0 - João Paulo Schwarz Schuler

Fractals are infinite complex images defined by a finite definition. We find in fractals a model to understand many different sciences such as economy, health and weather. Scientists love fractals. The images are usefull when they are applied as textures and backgrounds.
Double Fractal is a program that creates fast and easily high complex images . No specific knowledge is needed to use this program, it is a program that can be run just for fun!

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Double Dragon
$0 - GameFabrique

Set in a post-apocalyptic New York, twin brothers trained in the fighting style of Sou-Setsu-Ken. Together, they managed a small martial arts training school, teaching their students to self-defense. One day, Billy's girlfriend, Marian, is kidnapped off the street by the "Black Warriors", a savage street gang led by a man named Willy. The Black Warriors demand to the Lee brothers to disclose their martial arts secrets in exchange for Marian's freedom. The Lee brothers set out on a rescue mission to crush the Black Warriors and save Marian.

Using whatever techniques they have in their disposal, from the basic punches and kicks to the invulnerable elbow strike, as well any weapon that comes into their hands, the Lee brothers must pursue the gang through the city slum, industrial area and the forest before reaching their hideout to confront the big boss, Willy.

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