Trợ giúp MathEdit GraphEdit MathQ AI MathQ PC l How to set up the system? l How to set up the workspace as needed? l How to save the created graphics? l How do I move and scale the canvas? l How do I crop a canvas? l How do I enter vector text? l How do I enter a formula? l How do I insert a picture? l How to draw a polygon? l How to draw a circle? l How to draw an ellipse? l How to draw a straight line? l How to use 2D functions to make graphs? l How to use 3D functions to make graphs? l How do I draw with the Pencil and Brush tools? l How to draw a curve using Spline Fit? l How do I draw using the Pen tool? l How to draw a straight line followed by a curve? l How to draw a curved line followed by a straight line? l How to draw two curved line segments connected by a corner point? l How to add points? l How to select primitives? l How to rotate or flip graphics? l How to scale and adjust primitives? l How do I edit a polygon? l How to adjust the hierarchical relationship between graphics elements? l How to make two or more graphics the same size, width or height? l How to align multiple graphics? l How to create and cancel a group? l How to modify the basic properties of a graphic? l How to modify the advanced properties of a graphic? l How do I use the "Graphic Background" setting of the sidebar? l How to set the shadow effect of graphics? l How to make simple three-dimensional graphics? l How do I use filters? l How do I use the Eyedropper tool to change the color of a graphic? l How to draw a straight line accurately? l How to draw regular polygons accurately? l How to draw a circle accurately? l How to draw an ellipse accurately? l How to use scatter graph? l How to use statistical graphing? l "GraphEdit Operation Guide for GraphEdit Graphics Editing and Computing Software"