You might have a stuck 'shift' key.
I'm pretty sure that's only possible with the art program you draw in, not the actual tablet settings. In some programs you should be able to change the settings so that the opacity will be more transparent the lighter you press, etc.
Digital art and drawing can be done by using a drawing tablet. For drawing straight lines and stuff like that, pen tablets can be used. A digital tablet pen will help to draw lines whether thick or thin and will provide more drawing facilities than a mouse.
Straight lines.
you draw straight lines with a ruler
there are 5 straight lines
Straight lines that never cross are called parallel lines.
Straight
Despite Straight Lines was created in 1983.
Think about this: A straight angle makes 180 degrees, right? Straight lines, when measured by a compass, are also 180 degrees. So, yes, all straight angles are straight lines.
A straight edge or a ruler are used to construct straight lines.
Not necessarily. The horizontal and diagonal lines are also straight lines.
Two straight lines that remain equal distance apart are parallel lines.