Software Developed by Douglas Software

World Almanac  v.4 3

The World Almanac displays solar and lunar data for every 30 minutes throughout the day in addition to the times of rise, set and twilight, the lunar phase and a picture of the horizon.

Sun & Moon Calculator  v.4. 4. 2002

This Solar and Lunar database for Windows is a vital utility for photographers - or anyone who needs to know the position of the Sun and Moon from any location at any time. Plus a host of other unique features including lunar phase.

Photo Calculator  v.2. 1. 2001

Everything, but everything, including depth of field, hyperfocal distance, angle of view and other optical calculations for the amateur or professional.

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    Thanks, I've been looking for this for a long time
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    My windows drive crashed last week, then I am suggested to use Isoo Backup software by a geek to...
  • ProductView Express (Burkhard Schlee) Sep 2, 2022
    I need this for working with pro Engineer
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    Its good for audit software
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    I am using the software for research, good work!
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    Boosting productivity of my team by allowing them to input ideas and get the response from other...
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    Good software. I absolutely love this. Keep updated!
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