Is there any trick to remember the sign conventions in each octant - Maths - Introduction to Three Dimensional Geometry

Question

Is there any trick to remember the sign conventions in each
octant???????

Chetna Khanna · Accepted Answer

There is no standard rule to remember sign conventions in octant
To remember sign conventions, you need to visualize the octant with
corresponding axis (positive or negative sign)

Is there any trick to remember the sign conventions in each octant???????