1. Enter the known variable pairs (both x & y) into the shaded boxes that surround the white box.
2. Enter the middle point desired coordinate (either x or y), and leave the unknown value blank to be interpolated.
3. Click interpolate. The given value should be within the range of the other variables if your input is valid.
x1
y1
x
y
x2
y2
If you are having trouble operating the module, please check that you have JavaScript enabled on your browser. If you are still experiencing issues, please right-click, select "Inspect Element", navigate to the Console window, and e-mail CJ with the console error and a screenshot of your input.