PLOT POINTS: x , y
draws a point marker at (x,y), where x,y are numeric expressions.
PLOT POINTS: x0, y0; x1, y1; x2, y2
SET POINT STYLE numeric_expression
indicates the marker style.
The marker styles are 1 for ・, 2 for +, 3 for *, 4 for ○, 5 for ×, 6 for ■, 7 for ●.
The default point style is 3.
The point styles 6 and 7 are original enhancements.
SET POINT COLOR color_index
sets the color index that PLOT TEXT statements use, where color_index is a numeric expression.
The default point color is 1.
ASK POINT COLOR n
assigns current point color to a numeric variable n.
ASK POINT STYLE n
assigns the current point style to a numeric variable n.
ASK MAX POINT STYLE n
assigns the largest point style to a numeric variable n.
On this version, 7 is always assigned to n.