Aquarium Calculator provides dozens of aquarium calculations.

AndTip is a Tip-Calculator for Android. It calculates the variable amount of tip to be added on a bill in a restaurant. It can calculate the share between one to twenty persons.

This is a beta app which calculates and sets alarms based on sleep cycle times.

Now with probability, accurately determine market entry and exit prices.

Now with Trade Probability, accurately determine market entry and exit prices.

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).

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).

The Golf Handicap Calculator calculates and graphically presents your handicap index, according to the official USGA algorithm, and will predict your score on any course. You will enjoy the game more if you have accurate expectations of yourself :^)

Resistor Calculator

Test your reaction using this simple application. Once you start you will have to be quick to press the green button to find out your reaction time!!

Calculate the Intrinsic Value for a given stock in a matter of seconds!

Airline specific ultra-longhaul fuel adjustment calculator

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

Calculator for sun and moon values

Income Tax FY 14-15
HRA Taxable
Capital Gain
Advance Tax
House Property

This simple yet multi-functional calculator lets you calculate annuity, differentiated and fixed payments. Lots of advanced options let you compare loans, factor in down payments and commissions. Quickly compare, save and email multiple loans.

Get an estimated budget of your road trip!

Trip Budget Calculator is a tool that helps you to calculate an estimated cost of your trip on the road.

Are you going to travel by car, bike or van? Trip Budget can tell you how much you will spend and differentiates between fuel, food and night costs.

This calculator is designed to give the approximate distance from lightning, based on the speed of sound.
How to use:
Press the lightning button when you see the flash then press the thunder one when you hear the rumble.

* You can check distance on graph to know if thunder is coming to you

* You can check thunder area on map based on your GPS location and storm distance

The Golden Ratio Calculator allows you to input a total width value and have it be split in the golden ratio. Perfect for designers who are looking for spacing information, or anyone interested in the devine proportion.

Shake Scientific Calculator includes the following features:
* Traditional algebraic or RPN operation
* Result history
* Math Functions(sin,cos,tan,etc)
* Percentages
* Binary, octal, and hexadecimal
* Large input/output display
* You can rotate your phone to see the answer
* Better error handling