CAXA Draft explains how to draw a line division by specifying the length (distance) of a line.
The procedure is as follows:
[1] Click [Polyline] on the [Common] tab.

[2] Click [Ortho] at the bottom right of the screen to enable it.
[3] Move the mouse to determine the direction to draw the line.
[4] Enter the length (distance) of the line on the keyboard.
[5] The distance entered is displayed at the bottom left of the instance menu of the screen.
Press the Enter key to confirm.
[7] Right-click to exit the command.
Please refer to the video below.
CA-010