Use IX-CHART on one computer for 12 months. The licence stays on that machine and cannot be transferred to another.
IX-CHART is a psychrometric chart in both the Mollier (i-x) and Carrier systems, in SI and Imperial units. Plot air processes, size air handling units and use the built-in calculators: AHU (KCW), pool halls (KHB), acoustics (KOA), energy use (KZE), air balance and duct pressure drops.
The price shown is a net amount. A free 30-day trial of IX-CHART is available before you buy.