Press [ENT] key to go to next screen as follows.
Press [ESC] key to return to POINT SELECTION FROM THE LIST screen. You change a selection, and
you can calculate it again.
RESULT OF 3D SURFACE & VOLUME
CONTOUR
2D SURF
3D SURF
ESC
RESULT OF 3D SURFACE & VOLUME
POS VOL
NEG VOL
TOT VOL
ESC
78
ENT
ENT