If you're looking to Download Epoxy River Calculator on your Chromebook laptop Then read the following guideline.

This app lets you easily calculate the volume of your epoxy pour project. First, enter the length of the pour followed by the depth. Then start entering the width across the pour area and hit "Enter" after each entry. You can enter as many measurements for the width of the pour as you'd like. You will see the volume at the bottom update with every entry of the width. The more measurements you enter the more precise the volume calculation will be. If you messed up on an entry hit the "Reset" button at the top right to reset the widths.