Planner contains several keyboard shortcuts to help in speeding up the design process.  Several shortcut are stardard Windows shortcuts like CRTL-C (Copy) and CRTL-P (Paste).  Other shortcuts are specific to drawing like pressing E for toggling the Endpoint Snap on and off or pressing CTRL-G  to zoom to page.  Here are the commonly known shortscut for Planner.

General Shortcut

• CTRL+A – Select All
• CTRL+B – Move Selection to Back of Layer
• CTRL+C – Copy Selected
• CTRL+D – Zoom to Selection
• CTRL+E – Zoom to Extent
• CTRL+F –  Move Selection to Front of Layer
• CTRL+G – Zoom to Page
• CTRL+I – Zoom In
• CTRL+L – Zoom to Last Entity
• CTRL+M – Selection Modifier
• CTRL+N – New Drawing
• CTRL+O – Open Drawing
• CTRL+P – Print Drawing
• CTRL+Q – Drawing Options
• CTRL+R – Redraw
• CTRL+S – Save
• CTRL+T – Tracing Mode
• CTRL+V – Paste  (click on grid to position)
• CTRL+W  Create A Proposal
• CTRL+Y – Redo
• CTRL+Z – Undo

Snap Tools Shortcuts    

• A – Absolute Input
• B – Basepoint Snap
• C – Centerpoint Snap
• E – Endpoint Snap
• G – Grid Snap
• I – Intersection Snap
• J – Jump Snap
• M – Midpoint Snap
• N – Nearest Point Snap
• P –  Perpendicular Snap
• Q – Quadrant Snap
• R – Relative Input
• S – Snap Mode Toggle On/Off
• T – Tangent Snap
• U – Unlock from Grid
• W – Set Working Point

Lock Shortcuts

• L – Normal Lock
• O – Ortho Lock to  X /Y Grid
• U – Unlock from Grid
• X – Lock to X Axis
• Y – Lock to Y Axis

One other shortcut to try is the DELETE key.  As you are drawing a curve, a line or a polygon shape with tools like  Edging, Pavers, and Property Lines, simply press DELETE key and Planner will delete the last point which you clicked on.  Keep in mind, this must be done while the drawing tool is still active, otherwise you are deleting whatever you currently have selected.