The interface is quite simple and intuitive to everyone who has ever seen a scientific calculator. Almost all buttons have one or more alternative functions. To use those, you can either press the Shift key, or long tap the appropriate button.

Application supports all numbering systems. It is very easy to switch between them – and as you do the number on the screen will be automatically changed. RealCalc Scientific Calculator also supports simple logical operations, such as “AND”, “OR”, etc.

One of the main advantages of this application is a built-in converter. It supports 12 different parameters, including  data size. It is important to note that the application is capable of distinguishing between Kibibytes and  Kilobytes. There is also a variety of different constants.

Another nice feature is the ability to customise and add your own conversion constants and parameters.

The calculator has a very good memory function. It can keep up to 10 user-stored numbers, and 7 calculation results that are saved automatically. Another useful feature worth mentioning is ‘Undo’.

Pros:

• Ease of use
• Fast speed of calculation
• Built-in converter
• Good memory

Cons:

• Lack of landscape orientation support

Conclusion:

If you are looking for a fully-functional scientific calculator for Android-based device give RealCalc Scientific Calculator a try. I think you will like it. Recommended!

Following capabilities are available in the current version of the Facebook Messenger :
• Ability to send and receive messages with friends and groups. In addition to the Facebook friends, users will be able to send messages to their mobile contacts.
• Ability to determine your current location and display it on the map.
• Notifications about new messages.
• Ability to share photos.

The application is already available on the Market.

• You can now use Twitter without signing in. Basically, this means that you can see trends, view interests and even see the suggested users in various categories.
• User interface has gotten some changes as well. There is now a bar at the top, where users can see tweets, mentions, direct messages and lists.
• Furthermore, the user can now see re-tweets om their mentions column.
• Universal search is also available in version 2.0
• Finally, users can now scan through your address book and see which of their friends are on Twitter

The changes sound and look pretty awesome. Anyone else have an updated version of Twitter for Android? Give us your thoughts in the comments below!

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Each application includes a description page chock full of images and information for each application. The web-based application profile includes high resolution graphics, including screenshots and icons. It is excellent for developers looking to put their best foot forward. These descriptions also include user reviews and a barcode to help you locate the application using your device. If you enjoy an application by a particular developer, the description page also includes a list of other apps created by the same developer.

If you find a “must-have” application, you can purchase the app directly from the website. The purchase process is similar to that on an Android device, complete with the familiar list of permissions. Once you complete your purchase on the website, the application will automatically download to your Android device. The list of personal Android devices available for this cloud-based app delivery mechanism can be found in the My Account section of the website.

Overall, this web-optimized version of the Android Market is an excellent addition to the Android platform. It makes browsing and finding applications a breeze and the cloud-based delivery mechanism is extremely convenient.

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Android 3.0 Honeycomb feels like the platform has grown up and is tailor-made for large-screen experiences. The first thing you’ll notice is that there’s no longer a need for hardware buttons, as these commands now take place on the bottom of the screen.

On the bottom left of the screen, you’ll find the back and home buttons but the menu button has been tweaked. This is now an app switching/multitasking button – when you hit it, it will pop up a menu which shows all your recently-running apps. Switching between apps and home screens is remarkably smooth, too.

On the other side, you’ll find the time, power, Internet connection status and a new, revamped notification bar. Unlike the current version of the software, Android 3.0 Honeycomb will enable rich notifications. That means notifications will include more information, including download progress, music controls, profile pictures (for incoming messages), and more.

So, if someone’s instant messaging you, this can also include their profile picture. You’ll also be able to control music controls from this notification area and Google is providing APIs to help developers build these richer notifications.

Another cool feature of the new notification bar is that you’ll be able to kill notifications individually – think of this as a “line item veto.” This is great because the phone version currently only lets you clear all notifications.

The home screen can be filled up with apps or widgets and Google is offering multiple widget options with Android 3.0 Honeycomb. You’ll be able to have standard widgets that we’ve seen on phones, as well as ones that use a stacked interface, or grid-like layouts.

If you want to customize the home screens, you simply hit a “+” button in the upper corner to zoom out. Thanks to a new Renderscript 3D animation framework, this is very fluid and natural. From there, you can add apps, widgets, change the wall paper and customize your device.

That Renderscript 3D animation framework is present throughout the operating system, as it powers the new YouTube app we’ve seen before, as well as the Google e-books reader. In the book reading app, this provides smooth page-turning animations and more.

There’s an “apps” button on the top corner too and this brings up the standard row of apps that we’ve grown accustomed to with Android.

While existing apps should run fine on Android 3.0 Honeycomb, Google has included multiple APIs which will enable developers to create richer apps for a tablet. The first thing that stands out is a context-aware action bar along the top of the app. This will now be where you can find the “Menu” button for apps and it will also include things like a quick share option and more.

We also saw an incredible Gmail app for Android 3.0 Honeycomb and this makes the iPad Mail app look like it’s stuck in the past. This messaging app includes multi-panel interfaces which seems quite natural and smooth for this type of program. The app also allows you to drag and drop emails into different folders, helping you keep your inbox nice and organized.

That won’t just be restricted to Google products though, as there’s an API called “fragment” which lets developers create these rich, multi-pane interfaces for their apps. This lets app makers control how these fragments (we call them “panes”) are shown off to users and it could be a good way to develop programs which are visually pleasing on a tablet and a smartphone.

Google’s platform has always been a bit boring when it comes to multimedia but that will soon change as the Music app on Android 3.0 Honeycomb looks great. There’s a slick carousel interface and the app can be minimized to play though the new notification bar. The music continues to play in the background, and can be controlled via the notifications area located in the lower right hand corner of the screen.

The Google Maps app continues to improve and the tablet version builds upon what we’ve already seen. The Renderscript framework is combined with the vector graphics we’ve seen with the mobile version to provide a brilliantly smooth mapping program with 3D building.

Overall, we’re pretty darned impressed with Google’s tablet strategy, as the hardware that’s coming out soon looks to be top notch and this software looks like it really does take advantage of a larger screen in a fresh way. Take a look at the video from the presentation.

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If you want to check it out then you can see the video demo of it below.

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As noted by Google, the code of the Honeycomb was written from scratch. The main effort has been spent on refining the user experience by providing virtual and holographic interface. The new version features new ways of working with a home screen where the user is given a new 3D interface. Widgets have become more functional and interactive.

In addition, Web browser has been re-developed. It now supports tabs, AutoComplete forms, is capable of syncing bookmarks with the desktop version of Google Chrome, and features “Incognito Mode” for private browsing.

Honeycomb supports the new 3D interface of Google Maps Mobile 5.0, which allows you to work offline.

Have a look at the below official video to see the main features of Android Honeycomb:

The offline map caching is the big feature here as it will help those who rely on app but find they travel in and out of areas of coverage. Google can store the data locally for areas you frequently visit, even letting you interact with them when out of reception. Google Maps Navigation uses the same data and can reroute when you drop into coverage again, making it one step closer to a functional offline GPS application. The best news for Australian Android users is that Google Maps Navigation now works in Australia! So, make sure you give it a try.

The 3D features are more polish than anything, but are certainly welcome nonetheless. A quick copy/paste from the Google Mobile blog has these bullet points.

• Tilting: Drag down with two fingers to tilt the map. Tilt while zoomed in on one of the100+ cities around the world with 3D buildings to see a skyline spring to life.
• Rotating: Twist with two fingers to rotate the map. After tilting to see 3D buildings, rotate around them to gain a new perspective from any direction.
• Smooth zooming: Slide two fingers together or apart, and see the map and labels continuously scale to any zoom level, stopping when your fingers stop.
• Compass mode: Center the map on your location, and then tap the compass button in the top right corner. The map will flip into 3D mode and start rotating to match your perspective, while still keeping all the labels upright and readable.

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Meanwhile there’s also support for sharing your reading progress with social networks. The UI has been tweaked, with the option to use your Android smartphone’s volume keys to control page turns, and the chapter title now included in the reader status bar; there’s also zoom functionality for images and graphics.

Amazon Kindle for Android 2.0 is a free download in the Android Market.

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