An interesting script for converting between integers and Roman Numerals, as well as checking the validity of Roman Numerals for common mistakes.

Change inches to centimeters and back using this short, sweet script. Very easy to use, just type in the number and click.

Convert latitude and longitude from degree decimal to degree, minutes, and seconds and vice versa. This JavaScript will also find the farthest point from the point entered, as well as the distance.

Find out the circumference of a circle by entering its radius. Very simple!

This is an amazing JavaScript calculator script that can be used as a common scientific calculator (with functions of sin, cos, log, power, root, memory). However, this JavaScript calculator code also includes a molecular weight scientific calculator and the tables of many physical and chemical constants.

Besides, this free JavaScript calculator contains a list of historic tasks, storing all the recent inputs and results. This scientific JavaScript form calculator also displays the numbers rounded to a user-specified number of decimal places automatically in SCI mode. A very advanced and professional online JavaScript calculator but easy to implement.

Let's try more HTML JavaScript calculators on jsB@nk:

- Chemistry Calculator
- Advance calculator with helper
- Better Calculator v1.2
- 16 function Scientific Calculator

I was calculating temperatures one day trying to figure out which heatsink/fan I should get for my computer processor and got tired of converting Celcius to Fahrenheit (and visa-versa) by hand. So I thought I would build a script to take the drudgery out of it. This JavaScript will generate temperature conversion tables using parameters you specify.

Displays the Fibonacci Sequence of Numbers as entered by the user. Warning: This is very processor intensive, do not enter a large number.

This JavaScript code will calculate the surface area and volume of cones, spheres or cylinders of any dimensions as well as circle circumference and surface areas.

Calculate the percentage of increase/decrease between two units. A simple, effective script.

This JavaScript enables you to set a fixed number of decimal places for an input number. It also provides error checking.