GeoGebra Classroom
- For DISK AROUND X-AXIS set g(x)=0 and k=0
- For WASHER AROUND X-AXIS set k=0
- "rev" slider sets angle of revolution of region around axis
- "Trans" slider sets transparency invisible, translucent, opaque
- "Washer" sets visibility of washer or disk
- "Washer/Disk Pos'n" slides washer or disk along axis inside of solid
- "Show Only Solid" hides everything except solid and axis
- "Revolve" animates revolution of region around axis (kinda laggy)
- "Spin It!" spins solid around y-axis
- "Stop" stops revolution of region or spinning
- "Reset View" centers view over x-y plane at axis
- Click and drag 3D view to manually adjust
- "Projection Type" button (4th) in 3D view to select 3D glasses
- "Show or Hide Grid" button (2nd) in 3D view