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

Financial calculator for loans and mortgage. It takes in consideration the interest rate and the inflation rate.
Inflation rate should be checked in your country. Kindly take into account that you are using the inflation rate for provisioning.

Is a fully featured unit
converter & calculator with more than 1200 Units .

CoinTicker Mobile silver coin calculator calculates the total value of silver coins in your collection based on the current spot silver price.

HD Currency Calculator and Converter with more than 180 currencies and 4 metals and graphs

Simple app that can calculate Gross Profit, Margin % or Sell Cost

Wondering how long until your next birthday? How long ago was Easter? Now And Then is a date calculator that will find the time between two dates. You can also use it in calculator mode to add or subtract time from a date to see what date you get as a result.

A scientific calculator with unit converter and calculations log.

EquationPro is an android application for creating/running different scientific and business formulas. With EquationPro all aspect of an equation can be customized. Creating a new equation by EquationPro is easy and for the most purposes only involves two screen clicks and a few edits. Running an equation is almost immediately possible after equation creation. On the other hand complex equations can be created and run by EquationPro and customized intensively.

Quick estimation of the distance to any object and the object height and width

GrandTools-great app for students.

Keep your mind healthy, test your mental math and exercise your brain everyday.

* 1.5 Update *

All -n- Calculator is not just another calculator app but is a collection of useful calculators. It consists of a tip calculator, mortgage calculator, auto loan calculator, sales calculator, basic calculator and a conversion calculator that converts the more common units of measure.

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

A simple and easy to use percentage calculator. Features include calculate percentage, calculate discount, calculate increment, calculate before discount, calculate before increment, calculate percent of and calculate percent change.

Convert color codes from ARGB to Hex and reverse way.

This app will provide you a great tool if you want to plot a mathematic function.
You only have to write formula, and curve will be displayed in a customizable chart.
You can choose minimal and maximal abscissa (by default it is set from -5 to 5).
It is possible to display derivative function, so you can see both f(x) and f'(x) curves.
If you click on "VALUES" button, il shows all values between selected bounds.
It can replace your scientific calculator !

Ever wanted to know how fast your heart is beating? It's never been easier! Use your smartphone's built-in camera to get an accurate reading almost instantly. Anytime, anywhere.

Calculate the stats for different builds in League of Legends

Biorcal is a total biorhythm calculator. It calculates all the 13 known biorhythms for the present date and time, at any specific moment, or, during a certain time period. The 13 known biorhythms are: Physical, Emotional, Intellectual, Intuitional (Primary Biorhythms), Mastery, Passion, Wisdom (Secondary Biorhythms), Perception, Psychic, Success (Extra Biorhythms), Aesthetic, Awareness, Spiritual (I-Ching Biorhythms).