PCB Designer is a cost effective, easy to use electronic printed circuit board PCB layout application. Features: Export Gerber RS274X and Excellon NC drill. Import ASCII netlist. 18 layers available. Rulers, Guidelines and Dimensioning lines. Eight libraries - new components and libraries can be added. Automated ground planes, isolated copper removal. Tracks snap to pads for easy routing. Multiple Undo / Redo.
MITCalc
This multi-language calculation package includes solutions for gearing, belt, chain, springs, beam, shaft, and many others. MITCalc support 2D and 3D CAD systems, Imperial and Metric units and many international standards (ANSI, ISO, DIN….).
AlcoDens
Convert density of ethanol-water mixtures to and from concentration expressed in Mass, Volume or Molar terms. Covers concentrations from 0% to 100% and temperatures from 10C to 100C. Calculate blending ratios based on source or blend properties.
Turbine
Calculate turbine steam consumption and exhaust steam conditions. Built-in steam properties. Wide variety of units of measure included.
WetRO
Quickly and easily design or analyze stormwater collections system pipes with this useful tool. Any number of inlets and pipes and any number of collection systems can be input depending on user's hardware/system memory.
Circles Geometry
Circles Geometry: 9 graphic calculators provide answers to line and circle geometric problems. All possible solutions are calculated.