Explanation

This tool allows you to plot the line given by an equation or function and allows multiple lines to be drawn on the same chart to check interecption points.

To plot the line for an equation click in the box near the top left hand corner of the plotting tool. You can either enter the equation into this field or use the popup keyboard near the bottom of the screen. Entering powers etc directly can be trickas it requires the use of the hat symbol above the 6 to raise etc wheras the popup keyboard has thefacility to enter more easily.

Lines are drawn and updated as you type and finished when you either hit enter or click on the graphpaper.

If the line is not shown it is likely due to it not appearing inthe current graph paper view range. Right clicking the graph paper gives access to Zoom features whilst left cicking allows a mouse scroll wheel to zoom in and out centered around the point on the graph you clicked.ts flowing through the lamps matches the current flowing out of the battery.

Lines can be toggled between displaying and hiding by clicking the dot to the left of the equation in the left hand pane.

Lines can be edited by clicking on the rquation whilst their colour and other attributes may be changed by clicing on the three vertical dots to the right of its equation, clicking settings and then choosing from a menu of items that appears.