
CalcDate can be used to calculate the difference between two dates. It implements an date difference calculation.CalcDate takes UNIX timestamp values as arguments. The difference between two dates is returned as an associative array with entries that represent the time interval in terms of years, months, weeks and days.

DateClass is a simple class that can be used to calculate difference between two given dates. The class can return the period of time between the two dates in seconds, minutes, hours, days, months or years.

Sunset & Sunrise can be used the to calculate the time of sunrise and sunsite of any place in the world. It takes the latitude and longitude coordinates of a place as well its timezone offset and calculates the sunrise and sunset time for today.The calculations also consider daylight savings time adjustments. Sunset & Sunrise calculates sunrise and/or sunset for ...

RCD script was made following some informations given during a stage in a lab. Basically, it can calculate a number of parameters, with a number of given arguments.At the moment, it can calculate the halflife of a group of atoms given the age and the current activity, the age of a group of atoms using the halflife and their activity, ...

Probabilistic is a script to perform several types of common calculations used in probabilistic analysis.Probabilistic can calculate: Average Variance Standard deviation Poisson density and distribution Hypergeometric density and distribution Binomial density and distribution Normal density and distribution (Gauss curve).Probabilistic also has functions to calculate: Factorial of a number Combinations o two numbers Interpolation The area and Z values in the ...

Love Calculator implements a numerology algorithm to measure the so called "love factor" between the names of two persons. You may have heard about the "love factor" on MTV shows.

Calculate the number of days between two dates.

CalcDateDiff is a simple class that can can calculate the number of days between two dates. The input dates should be given in the ISO format (YYYYMMDD).

Calculator can be used to perform simple mathematical operations.Currently Calculator can: Add, subtract, multiply and divide numbers Find roots of an equation, if any Base calculations Simple geometrical calculations for circles and triangles Fractional notation of a number

Queue Theory can be used to calculate several types of factors of the queue theory. It provides a generic queue abstract class and several concrete classes with different queue implementations.Currently Queue Theory can calculate the following queue factors: Lambda, Mu, Rho, Po, Pn, Ls, Lq, Ws and Wq values of MM1, MM2 and MMC tails.

Combinatorics contains some useful statistical functions to make combinatorial statictic calculations like dispositions and combinations of objects.As an interesting use of the class there is a subclass to find the best path, both if you have to visit a certain number of cities and if you have to touch a certain number of nodes in a network.

Sun script contains methods for calculating the sunrise and sunset for any day, for any zenith (angle at which the sun is said to rise or set) and any place in the world given its latitude and longitude coordinates.There are many algorithms for calculating sunrise/sunset, but Sun classes was the simplest and explained in an easy to understand manner.

PHP Calc is the most basic calculator written in php. This is a 5 minute script that is powerful because you can make it calculate anything.It just takes some imagination and some knowledge of math. Feel free to change the script to make it like your site, but remember to leave credit if you change it.

This loan calculator can be used to figure out regular payments of any kind of loan, based on the loan amount, loan length, interest rate and pay periodicity. phpLoanCalc is using template, therefore you can easily change its appearance for seamless integration with your website.

Date_Calc is a calendar class used to calculate and manipulate calendar dates and retrieve dates in a calendar format. It does not rely on 32bit system date stamps, so you can display calendars and compare dates that date pre 1970 and post 2038. Features of Date_Calc:  comparing number of days between arbitrary dates,  validating dates, calculating leap years, ...