These are the topics:

• FillGaps

• Shift along the X-axis

• VarDelay

• XAlignFft

• XBase and XOffset

• XCutRange and XCutValid

• XFirst, XLast and XNow

• XMarker1 and XMarker2

• XMarkRange and XMarkValid

• XMirror, XStretch and XStretchScale

• XSize and XSumValid

• XValues and YValues

• XY