How to use this area calculator:
Enter coordinates of nodes of any polygon; the horizontal and
press enter after entering each pair of coordinates;
when finished with all nodes click calculate button to get the area.
Most suitable for educational web sites, as well
as those concerned with presentations that include figures.
Coverts units from SI to metric system and vise versa.
compare two or more schemes each with a different initial investment and different running costs
More scripts and tools to be added soon