Android apps by Black Dot Mobile

Telescope Calc

Sun, 27 Jan 2013 02:15:40 +0000

Quickly and painlessly calculate operational parameters of any telescope and eyepiece combination.

Useful for:
- comparing telescopes and eyepieces
- finding right set of eyepieces for your needs
- checking parameters of specific scope-eyepiece combination
- people new to astronomy - to get the hang of the relations between various parameters

Telescope Calc will calculate:
- resolving power of the telescope
- star magnitude limit
- diameter of exit pupil
- magnification
- field of view
- surface brightness
- field of view transit time
- power per inch of aperture

Features:
- easiest to use telescope calculator out there
- immediate results
- allows to set the size of your eye pupil and takes it into account during related calculations
- 4 predefined formulas for finding minimum, maximum, optimum and wide-field magnifications
- can save your configurations for later
- optimized for tablets and phones

Recent changes:
v1.1.0
- fixed handling of aperture when using inches
- added calculation for field transit time and power per inch of aperture
- added more settings and made existing one easier to use
- bugfixes

Laser Level

Tue, 03 Aug 2010 20:16:51 +0000

Laser Level lets you use your Android powered phone’s camera similarly to laser level tool. It also shows angle in degrees. For example, you can quickly see if the picture that is hanging on your wall is straight or not.

Recent changes:
v.2.0.1:
- Fixed broken link to Telescope Calc

v.2.0.0:
- Revamped user interface
- Dropped custom crash reporting library, no more internet connection needed
- Dropped unnecessary permissions
- Added support for tablets
- Added tiny banner linking to my other apps
- Dropped support for Android 1.5

SilverBug

Mon, 05 Sep 2011 23:35:59 +0000

SilverBug contains detailed information on the 10 most popular silver investment coins, including full specifications and high res photos.

Features:
- 'Catalogue' - find information on world's most popular silver bullion coins, including their specs
- High resolution photos - view the coins at extreme close ups
- 'My collection' - keep track of your silver bullion holdings
- 'Fixings' - check current price fixings for silver
- Silver price charts - see how silver price changed

IMPORTANT - At first run, SilverBug must download data files with high-res photos. It is highly reccommended that you do this over Wi-Fi, since those files are quite big. SilverBug will ask you for permission before attempting to download anything.

Recent changes:
v1.2.2:
- added support for new currencies for fixings and collection
- currency for fixings/collection and charts can be set independently now
- added configurable premium that will be added to the value of your collection
- updated mintage figures
- some minor UI tweaks
- switched to Holo theme for newer Android versions
- switched to new ads provider (hence new permissions are required)
- dropped support for old versions of Android

Fractal Explorer

Fri, 25 Jun 2010 20:23:36 +0000

Discover the beauty of fractals with Fractal Explorer, a robust fractal generator that allows you to create unique and beautiful wallpapers that will make your home screen stand out from the crowd.

Move around and zoom in to discover amazing patterns generated by the Mandelbrot fractal. Enjoy the wonders of chaos and math in action. Unleash your creativity with wallpaper generator.

* Create unique wallpapers and add them to your device's Gallery, so you can share them with others
* Create your own color schemes or use one of the built-in ones
* Take control over the depth of the fractal and coloring methods
* Save the coolest places you find for later

Other features:
- fast rendering with support for multi-core CPUs
- built-in list of cool places to get you started with your exploration
- 3 quality modes

Recent changes:
v2.0.1
- fixed wallpaper rendering that was broken on some devices
- fixed low quality mode

v2.0.0
- redesigned UI (action bar, holo theme)
- added control over rendering depth
- added control over coloring behavior
- added functionality to create your own color schemes
- implemented multi-core rendering
- added high quality rendering mode
- you can now save your generated wallpaper by adding it to the gallery

Świnka

Tue, 04 Dec 2012 15:06:46 +0000

Świnka to wygodny kalkulator zysku z lokat połączony z rankingiem lokat dostępnych na polskim rynku. Ze Świnką szybko znajdziesz najlepsze oferty na ulokowanie swoich oszczędności.

Cechy charakterystyczne:
- przejrzysty i łatwy w użyciu interfejs
- zoptymalizowana pod telefony i tablety
- porównywarka lokat z oferty ponad 30 polskich banków
- filtrowanie listy lokat wg zadanych kryteriów
- obliczanie "podatku Belki" wg nowych zasad
- wylicza nie tylko odsetki i podatek, ale również oprocentowanie netto
- wybór sposobu kapitalizacji dla obliczanej lokaty
- możliwość wyświetlenia listy kapitalizacji dla lokaty o zadanych parametrach

Recent changes:
wersja 1.1.0:
- dodanie możliwości zdefiniowania własnej listy banków, dla których będą wyświetlane lokaty
- dodanie paska szybkiej edycji dla wartości filtra lokat
- zmiana zasady działania filtra lokat odnośnie okresu na bardziej intuicyjne
- drobne zmiany kosmetyczne w interfejsie

Interest Calculator Pro

Mon, 18 Feb 2013 21:17:02 +0000

Easy to use interest calculator with support for compounding interest and tax.

Features:
- can calculate tax for specified tax rate
- supports 4 most common interest compounding intervals as well as no compounding
- calculates real, effective interest rate, that takes into account effects of taxing an interest compounding
- optimized for tablets and phones