Program

Type/paste here, hit 🎲 for a sample, or Upload / drag-drop a .nc file. The simulator draws the XY toolpath.

Run draws the toolpath as it cuts · Step = one line at a time (highlighted = next) · Reset = back to top

Speed
📖 Line explanation
Load a program, then Step or Run — each line is explained here as it highlights.
Press Run to draw the toolpath…
View drag the graph to rotate
Rapid (G00) Feed (G01) Arc (G02/G03) Drill depth
X0.000
Y0.000
Z0.000
Mode—
Unitsinch
CoordG90
Feed—
Tool/S—

G & M Code Reference (Haas VMC)

🔍 What's wrong with this code?

A short program with one planted mistake. Pick your guess, then press Answers to check (with the reason). ↻ Another loads a new one.

Knowledge Check

Answer each question — you'll get instant feedback and the reasoning.