PRODUCTS / 2009 — 2026

Software for engineers, scientists & students.

Five precision apps for iPhone, iPad & Mac. Press and slide to browse — or use the wheel.

Steam HX

Steam HX

Thermodynamics

The ultimate industrial steam-property calculator. All thermodynamic properties of water, IAPWS-IF97, SI & IP units.

PsychroAir

PsychroAir

Psychrometrics

Calculate the thermodynamic properties of moist air faster and more accurately than reading a psychrometric chart.

Fluid Mechanics

Fluid Mechanics

Compressible Flow

Compressible gas-flow parameters for isentropic flow and normal & oblique shocks — Mach, wave/turn angles, area ratios, pressure, density & temperature.

Menu Reader

Menu Reader

Utility

Magnify fine print anywhere with a built-in flashlight. The simple everyday tool that punches above its size.

Area Elevation

Area Elevation

Terrain

USGS terrain for any U.S. location — contour lines, hillshade & slope, plus min/max elevation for an area you size from 50 to 2,000 ft.