This is best work hours tracker application on market. Just tap Check In and application will start tracking your day at work. When you are finished, press Check out button. Application will calculate your time at work and earned money.

Calculates your total purchase, including shipping, tax and discounts on all items in your checkout in any currency

A handy tip calculator!

The first and only widget in the market to calculate gratuity. The Tip Calculator widget sits directly on your home screen for fast and easy access when you need it the most. Enter the bill amount, the tip size and the number of people you want to split the bill with. Then press the Calculate button to display the total amount you need to pay and the money split between you and your friends, if applicable. It comes with two style - Dark and Pink.

you can create your own formula with this app, and then input variables, you will get calculation result.

Virtual calculator it's a simple calculator that uses the four basic operations.

It also supports power and percentage calculations.
Works on any version of Android from 1.5.

The most easy and advanced Tip Calculator to calculate tips in restaurants.

Calculate tip amounts, discounts and savings and pay off schemes easily.

Want to know what you have to pay for your mortgage? This app can help you!
-Various mortgage types are supported: amortization, interest only and linear mortgages.
-An annual oversight with average monthly payments per year is shown.

Irish PAYE Income Tax calculator for Budget 2012 - soon 2013

This is the mobile verson of the desktop tax calculator www.TaxCalc.eu

It calculates your Take Home Pay, Income Tax, PRSI, Universal Social Charge (USC), Pension Contributions, Income levy and net tax due.

A calculator that estimates the chances of getting a killstreak in the various Call of Duty games based on a highly tested and credible algorithm I developed.

This includes:

Modern Warfare 3 (when released)
Black Ops
Modern Warfare 2
World at War
Modern Warfare 1

This app will tell you your kill/death ratio in the Call of Duty games. More importantly, it tells you how many kills you need to "boost" your kill death ratio up by 0.01 via the Kill Death Calculator tab. It can also tell you how many deaths will lower your ratio, if you click on the Death Kill Calculator tab.

Simple tip calculator that allows you to split the bill by any number of people.

Currency calculator, that uses live updated exchangerates

Keep track of all your daily expenses on the move with WorkIt Expenses!

Calculate Volume and Surface Area for heaps of 3D Shapes!

MetalShop Pro 1.0 - Find out how much your scrap metal is worth. Calculate the weights of metal that you want to bring to the scrap yard. System updated with industry current prices. New Scrap Metal Resource Directory - Find current prices in your area. Watch videos on scrap metal identification and learn how to reclaim gold from computer parts.

Now supports Multiple Currency and Metric Weights!

Smart Data Watch is free app to monitor your network data usage and convert the usage as your currency also lets you to set quotas for daily,monthly usage

Component calculator for the NE555 square wave generator

Simplator Pro - Simple utility calculator that computes commonly used calculations e.g. salary, mortgage, amortization, discount, age, percentage calculation, number conversions (binary, decimal, hexadecimal), CGPA, GPA/SGPA and amount per quantity.

No matter what you do in your daily life, Simplator Pro has functions that you will find handy!

* Easy to use Interface.

* 60+ calculations.

* No advertisements.

* Calculations distributed among 4 Categories.