System and economic simulators

Markets, cash, stock and packets — move one lever and watch price, balance, levels or loss ripple through the whole model.

Supply & Demand Curve Simulator

Shift supply and demand and find the new market price.

Simple Business Cash Flow Simulator

Change income and costs and watch the cash balance over time.

Inventory Level Simulator

Set reorder points and review how stock rises and falls.

TCP Packet Loss & Retransmission Simulator

Drop packets and see the protocol detect and resend them.

Heart Rate / Blood Flow Simulator

Adjust heart rate and watch a simplified blood-flow model respond.