Finding the coordinates of a point on a graph
Step 1: Calculate conversion coefficients for converting screen pixels to the graph’s units
(a) Click a point with known coordinates on the y-axis, then enter its (x,y) coordinates
(b) Click a point with known coordinates on the x-axis, then enter its (x,y) coordinates
Step 2: Find the coordinates of a point on the graph
Click the point of interest, then click the “Calculate” button to find the coordinates of the point
X:
Y:
DO NOT resize screen during digitizing