this app can solve quadratic equations quickly.

1.It can list all the apps in the system.
2.It can filter the app you want to use instantly.
3.It can uninstall useless system app (need root permission). The system apps uninstalled will be backed up in SD card, and you could recover them anytime you want.
4.Just click the app to uninstall it, and long press the app to run it.

A subnet calculator for IP networks. Real-time updating and copy/paste support!

iPost4free is a free classifieds service for personal and business use.

Chibi Cute Clock Widget (FREE)

Free, simple and easy to use euro currency converter and more.

The best ever App for indian stock market updates, BSE SENSEX updates,quotes of shares and Stock market news

Spoty is a location based reminder,location alert,call blocker, profile changer all based on geofencing and proximity.
Your phone will never again ring at the cinema or at meetings. No spam calls during office hours or at night. Block calls, remind yourself to buy something when you're near the store or send SMS to friends/family near a location.
Change ringtone and vibration,wifi and bluetooth based on your current Spot.

Short for MTK, Mobo Task Killer can also be known as a task killer, task killer manager, app killer or service killer etc. It helps manage your phone system’s running apps and services. If your phone often runs slowly or battery is exhausted so soon, our task killer will be an ultimate choice app to kill tasks, free memory, and speed up your phone as well as save battery.

Learn C Programming concepts by an interesting quiz app.
Easy to navigate & Show/Hide options for answers

Synchronized notes across all your devices
No more writing notes in separate applications. Instead, Sticky Notes Online synchronizes your notes across all your devices. Your synchronized notes will be available on your Android and free clients for your home computer, your office computer, your browser and anywhere in the world

Domain Info
is an useful web site analyzer and domain whois applicaton.
You can find almost every information for the searched domain name.

Personal Financial Organizer (PFO) is a free android application for personal financial advising and management. It helps to manage your daily consumptions via expenses,incomes and to monitor your personal monthly cashflows.

This widget simply shows your current location in numbers. Latitude and Longitude are received from the GPS location provider or from the network location provider if GPS is not available.

The altitude is queried from open MapQuest API which yields in a more accurate result than receiving the altitude by GPS. So this widget is also interesting for hiking (altimeter).

eGPS Lite has full GPS capabilities, showing latitude and longitude, altitude, speed, and heading.
In addition, it has the remarkable new feature of showing the exact street address of your current location. Through ground-breaking research and development that integrates GPS location with advanced map technologies, the eGPS Lite app can find addresses with extremely high accuracy. The address displayed includes the street number and name, city, state and zip code.

A simple tip calculator help you calculate the tip for your bill before tax.

With Call Guard you can block incoming calls/sms (text messages) or outgoing calls.
Now with Full Pick up/Hang up mode(no voicemail,no notifications) support for all versions, (2.3 Gingerbread included)!The only app on the market which leaves no traces of the call, even on Gingerbread

Total Call Control PRO is the only app on the market to fully support answer mode on all devices (Gingerbread and above included)!

Waiting for an important call, but the touch screen on your Droid is unresponsive and there is no way to answer the call?
No problem, with the Total Call Control you have the aid of all the sensors and hardware keys available on your device. Just shake the device or push the volume rocker, camera button.

With the SMS Blocker you will block all kinds of spammers and never receive a spam SMS in your inbox again. All the junk SMS messages are stored inside the app for reference. Pay once to have the convenience of blocking spam SMS with this SMS easy filter.

Hide / block your Text /SMS Messages.