Write out the vector problem you want to solve. For example, the problem may ask to draw vector "A," which has values of 4 for x and 2 for y. This means that the "run" or horizontal measurement of the vector will be 4 units on the graph, and the "rise" or vertical measurement, will be 2.
Launch your vector calculator in your browser.
Measure out on the displayed graph where the vector will reach. For the example of "x=4, y=2," starting in the center, "0,0" on the graph, move to the right 4 spaces, and up 2.
Click the determined point on the graph to create a vector line. A chart on the right side of the graph will appear, indicating the x and y values of the vector drawn. It will also produce the magnitude and direction of the vector line drawn.
Record the results, and add other vector lines as necessary.