|AutoCAD Release 9 September 1987|
This was the first version of AutoCAD to require an 80x87 math coprocessor in computers based on the Intel® 8086 family of microprocessors.
All files produced by this version of AutoCAD made compatible among all supported computers.
Box, Auto, and Single object-selection modes added.
Block insertion presets for scale and rotation added.
The MULTIPLE command modifier added.
New ACADLIMEM environment variable for expanded memory control added (on DOS systems only).
Menu items amended to repeat automatically.
Twenty additional text fonts added.
Attribute value requests during Insert allowed to be suppressed.
A "preset" property added for Attributes.
Creation of slide libraries added.
An Advanced User Interface added, incorporating a menu bar, pull-down menus, icon menus, and dialog boxes.
The DDEMODES, DDLMODES, and DDRMODES commands added to permit entity properties, layer properties, drawing aids to be set using dialog boxes.
The new DDATTE command added to permit Attribute editing to be done using a dialog box.
Attribute values requested during INSERT allowed to be entered using a dialog box.
Spline curves drawing permitted.
Crossing object selection boxes drawn as dotted lines.
A Rotate option was added to the VPOINT command.
3D Osnap extended to snap to the tops of extruded objects.
Built-in commands allowed to be undefined and redefined.
Provisions for 3D Lines and 3D Faces added to the DXB file format.
- A pause capability added for the (command) function
- (ssget) filters added
- Very large selection-sets handling added