 Para ver cada ejemplo:
Haga clic en el enlace de abajo y cargar el ejemplo de esta ventana.
A continuación, para ver el código fuente:
Haga clic en el botón derecho del ratón sobre la ventana y seleccione "Ver código
fuente" de la ventana emergente.
Si alguno de los gráficos se utilizan en el guión:
Haga clic en el botón derecho del ratón sobre cada gráfico y seleccione "Guardar
imagen como" del menú emergente. (Todos los gráficos se incluyen en el mismo
directorio que el ejemplo de Javascript.)
Para volver al Indice:
Haga clic en el botón "Atrás" en la parte superior de su navegador.


5 Function 
Here is a really simple JavaScript calculator  with just 5 functions!
(Add, subtract, multiply, divide, and power) This example can help you see how JavaScript
evaluates math functions! Check it out! 
Ad
Calculator 
Selling ad banners has just got easier! Just enter two fields of the
three fields of information, such as the total cost, CPM (cost per thousand impressions),
and exposures (number of ads shown), and the calculator will solve the last field for you.

Adjusted
Cost Base 
Computes the average cost base (or cost per share) for a series of stock
or mutual fund purchases. When a sale is entered, the capital gain (or loss) is
calculated. 
Advanced 
This is a very comprehensive JavaScript calculator. Although the source
code can get quite confusing, it works. 
Age
Calculator 
Just enter the birthday you wish to track and JavaScript will display the
person's age, down to the second. Displays your age along with the day you were born. 
Airport 
This useful JavaScript calculator will tell you the degrees, Nautical
Miles, Statute Miles, and Kilometres between your originating and destination airports.
It's got a builtin database of over 150 of the most travelled airports! 
Amortization 
Calculate monthly mortgage payments quickly and easily. Displays an
Amortization Table. 
Area Calc 
A simple calculator to determine the area of a square, triangle,
rectangle, circle or sphere. 
Armor 
JavaScript can help you figure armor penetration. 
Atmosphere 
JavaScript can help you do atmospheric computations. 
Bac 
Calculates an individual's blood alcohol content based on the quantity of
beverages consumed, the alcohol percentage in each drink, the person's weight, and the
time spent consuming the drink. 
Basic 
This is a very simple calculator, all done with javascript. Just click
the numbers and the operators and use the "=" button to calculate! 
Beat Counter 
A manual Beats per Minute (BPM) counter for DJs. Counts the
beatsperminute of a song by tapping a key or the mouse to the beat of a song. Simply
click on the page to start the time then tap any key to the beat. 
Best Price 
Calculates the total cost of an order based on the number of items you
want to order. As the total number increases, the cost per item decreases 
Binary
Converter 
Computers read and store the decimal numbers we see everyday (1, 5, 10,
100, etc.) as binary numbers, a number of just 1's and 0's. All that you do is enter the
decimal number and the script will output the binary equivalent! 
Body 
I like this script because it uses some very ingenious JavaScripting
techniques. into the process, it analyzses a persons information (sex, height, weight) and
responds with a comment message. 
Body Mass
Index 
Just enter your height and your weight, and JavaScript can use a formula
created by the Panel on Energy, Obesity, and Body Weight Standards to figure out your Body
Mass Index. This index classifies you into one of several categories, from underweight to
desirable to obese. 
Bubble Sort 
Sorts using the bubbleSort method. Simply enter a list of numbers into
the text box and click sort. 
Calculator 
Just a nice, simple, and clean calculator. You can even change its color.
A perfect example of JavaScript simplicity! 
Calories 
JavaScript can help you figure how many calories you have burned. 
Circle
Solver 
Can't remember the formulas for the other two parts of a circle (area,
diameter, or circumference) when you only know one? To the rescue is Circle Solver. Enter
the circle area, diameter, or circumference and it will solve for the other two! 
Circumference 
JavaScript can help you figure the circumference of a circle when you
enter the radius. 
Compound
Interest 
Use JavaScript to calculate compund interest. Warns about doubtful data. 
Cosine 
Enter the adjacent and hypotenuse angle values and JavaScript will solve
the cosine angle for you. 
Date
Difference 
Enter two dates (including the time!) and this script will display the
number of weeks, days, hours, minutes, and seconds between the two. The seconds field is
optional, too. For an example, try entering your birthdate and compare it to today's date.

Day Of Week 
Calculate what day of the week a given date was. It works for leap years
and also tells you whether the date is in the past future or today. 
Distance
Speed Time 
Calculate the time, distance, or speed given any two of the pieces of
information. 
Dog Years 
This is a practically useless script. Convert your age to dog years.
(Your age / 7) But, it's helpful for people beginning JavaScript to look at. 
Download 
This calculator will help you estimate how long it will take to download
a file at any of a number of modem speeds. 
Driving 
Use JavaScript to estimate the driving distance between U.S. cities. 
Expression
Solver 
Just enter a math expression (with +, , *, and / signs) and this script
will evaluate the expression for you. 
Factors 
Use JavaScript to find out if a number entered is odd or even and the
factors of that number. 
Fibonacci 
Displays the Fibonacci Sequence of Numbers as entered by the user.
Warning: This is very processor intensive, do not enter a large number. 
Field Depth 
For all you photography enthusiasts out there, this script makes it a
breeze to determine the field depth and amount that will be in focus in a photograph.
Includes other measurements such as nearest and furthest points of focus, too. 
Function
Grapher 
Graphs any function you enter on the scale of your choice, assuming you
use the correct JavaScript syntax. For example, to use Cos x, use Math.cos(x). Or, for
x^2, use Math.pow(x, 2), etc. 
Gpa 
This is a very useful script to figure out your class GPA. Just enter the
letter grade for each class. 
Graphing
Function 
Enter the XY coordinates for a function and this script will give you
the graphing formulas, including Formula, Slope, Yintercept, Parallel and Perpendicular
lines. 
Group Work 
Ever had to work with another person to complete a task? This calculator
will tell you how long it would take two people to complete the task if you know how long
it would take each person to complete the task individually. 
Horsepower 
Enter your vehicle's quarter mile time (assuming you know it) and vehicle
weight and this JavaScript program will display your car's estimated horsepower. 
Income 
Estimates your weekly, biweekly, monthly, and yearly income. Very useful
when job hunting when offered an income per hour, month, or year. The tax bracket numbers
are adjustable with each year's income tax levels. 
Interest 
Use JavaScript to find out just how much that new house or car is going
to cost you each month. Enter values into the fields below to find out how much each
monthly payment would be with the given number of payments, interest rate, and loan
amount. 
Kinetic
Energy 
Solve any of three variables in a Kinetic Energy equation using this
script. Simply enter two of the three values and submit to find the value of the third
variable. 
Landscape
Grapher 
JavaScript 3D terrain grapher which creates virtual landscapes using
threedimensional fractal geometry, random numbers, and a simple mathematical formula.
"s" indicates under sealevel. Just hit reload to get a new landscape. 
Lap Time 
Calculates the average lap split time required to finish a race in the
time you enter. 
Lcm And Gcd 
Calculate the Least Common Multiple and Greatest Common Divisor of two
numbers using this short script. 
Leap Year 
Is it a leap year? What about in 1900? Get your leap year facts straight
with this leap year calculator. Just enter the year you are interested in and the script
reports whether it is a leap year or not. Or, enter a range of years and JavaScript will
display all the leap years in that range. 
Male Body 
Calculates a man's ideal body measurements based on his wrist
circumference. 
Miles
Per Gallon 
Computes the miles per gallon of your car via the miles traveled and the
number of gallons used. Also, if you enter the cost per gallon and how many miles you
drive a day, it will estimate your monthly and yearly gas expenses. 
Money
Counter 
Enter the number of bills and coins and this script will calculate the
total amount of money you have. All blank entries are ignored. Input field validation is
also included  try entering a nondigit into a field. Also, this script is a good
demonstration of a JavaScript return function in use. 
Parabola
Grapher 
Enter a parabolic equation, like 5x^2 + 18x + 27 and this calculator will
determine all the vital information about the graph. And, a rough graph of the curve is
available. 
Paycheck 
Entering your pay rate and the number of hours you worked and optionally
any overtime hours and pay rate, your own tax rate, and other deductions. Find out where
your money comes from and where it's going. 
Percent 
Don't waste another minute dealing with percent problems. This script
will solve both of these for you, just enter the values! 
Percent
Of Increase 
Enter two numbers and JavaScript will help you determine the percent of
increase. This is a perfectly simple example of using a JavaScript return function. 
Periodic
Table 
Besides a very organized Periodic Table, this script will tell you lots
of information about any periodic element you click on. 
Phone Text 
Have you ever wondered if your phone number has a memorable text
equivalent, like 555HELP? Just type it in and this script will generate all possible
combinations, just pick your favorite one and tell the world how to reach you. 
Phone Bill 
Does it ever bother you how much a longdistance phone call is going to
cost, after you hung up? With this script, all you have to do is enter the amount per
minute, and any initial amount, then click start when the call begins and see the total
charge at any time! 
Polygon 
Figure out the number of sides, measure of each exterior angle, and the
measure of the interior angle of any polygon. Simply enter one of the three pieces of
information! 
Pregnancy 
Enter the mother's pregnancy information into this calculator and
JavaScript will provide an estimated conception date, birth due date, and an estimated
current fetal age. Great for all those motherstobe! 
Prime Number 
Enter a number and JavaScript can instantly tell you if it is a prime
number or not. 
Pythagorean 
One of geometry's most useful formulas, the Pythagorean Theorem, can be
applied to the numbers you enter in JavaScript! Just enter 'A' and 'B' and the script
solves for 'C.' 
Quadratic
Solver 
Why didn't I have one of these during high school math? Just enter the
coefficients for the quadratic 'Ax^2 + Bx + C = 0' equation and JavaScript will output the
solutions (if they are not imaginary!). 
Quadratic 
Solves quadratic equations for inputted coefficients. Answers can be
either real or complex. 
Radioactive 
Use JavaScript to find how much radioactive material remains after a
given time. 
Random
Distribution 
Generate normally distributed random numbers by entering a mean value and
standard deviation. Uses the normal law of error to determine an events given probability.

Room 
Use JavaScript to find the approximate room size you'll need depending on
your room setup and arrangement. 
Round 
A simple function to round a decimal number to any number of decimal
places you want just by passing it different values. 
Running 
Allows runners to calculate their time, distance covered, or pace by
entering the other two values. Distance and pace can be converted between various
measurements. A great 3in1 script for runners! 
Savings
Estimator 
Enter how much you can afford to save each month, how long you can save
this amount, and the interest rate you can get on your savings and this script will
display your total savings. 
Scientific 
This is a very cool JavaScript calculator that does many advanced
functions  cosine, sine, tangent, square root, exponents, etc. 
Sine 
Enter the opposite and hypotenuse angle values and JavaScript will solve
the sine angle for you. 
Square Root 
Allows you to find the value of a number squared or that number's square
root. 
Stock 
Deciding when to buying and sell stocks is difficult enough  figuring
the profit or loss from that trade shouldn't have to be. Just enter the number of shares,
your purchase price, your selling price, and the commission fees for the trade and this
script instantly figures your resulting profit or loss after commission fees. 
Straight
Distance 
Enter a coordinate pair for each the starting and ending points according
to the Cartesian coodinate system. The script will calculate the straight line distance
between the two points. 
Tangent 
Enter the opposite and adjacent angle values and JavaScript will solve
the tangent angle for you. 
Tax 
JavaScript helps your to calculate the before and after tax prices for
purchases. Very easy to use. Just put into the price, the tax, and hit compute! It's all
figured for you! 
Top Speed
Rpm 
Enter the diameter of the tire and the RPM value of the motor and the
script will tell you the top speed without any weight on the Tires. 
Wavelength 
Assists ham radio operators in converting a frequency to its wavelength
in feet or inches. Other uses include acoustic measurement and adjustment, microphone
placement, room tuning, and speaker positioning. 
Win
Calculator 
Always been fond of the calculator within Microsoft Windows? This
JavaScript mimics the Windows calculator in appearance and function. Everyone, including
Macintosh computer users, can now their own Windows Calculator! 
Wind Chill 
Wind Chill is a mysterious and often misunderstood phenomenon. This
script describes what the wind chill factor really is and offers a form to calculate the
wind chill factor when given the air temperature and wind speed. 
World
Population 
Estimates the current world population based on US census data and the
world growth rate. Not exactly precise, but neat anyways. 
X By X 
This is a very simple, very limited calculator that only does
multiplication. This script is perfect if multiplication is all you are looking for. 