1)   Engineering Power Tools 1.9.8
ENGINEERING POWER TOOLS solves a wide variety of common engineering problems quickly and easily. Over 70 programs and data tables integrated into one easy-to-use package. Categories include Math, HVAC, Mechanical, Electrical, Materials & Structural.
engineering, mechanical, calculations, design, HVAC, math, electrical, materials, conversion, structural,

 2)   Barnes Ballistics 2.0.10
Calculate trajectory, velocity, wind deflection, striking velocity and other variables with any loads you desire. Find out how altitude, temperature, barrel length, humidity and other factors affect bullet flight.
barnes, bullets, ballistics, software, reloading, trajectory, wind, deflection, hunting, shooting,

 3)   MITCalc - Shafts Calculation 1.14
The calculation is designed for geometrical design and complex strength check of shafts. Application supports Imperial and Metric units, is based on ANSI, ISO, DIN standards and support many 2D and 3D CAD systems
Shaft, shafts, design, strength check, stress concentration, critical speed, safety coefficients, deflection, bending angle, DIN 743,

 4)   MITCalc - Beam Calculation 1.14
Calculations of straight, maximum three times static indefinite beams with constant axis-symmetrical profiles. Simple definition of the beam type, 20 types of cross sections, graphic illustration of the moment, stress, deflection and bending angle.
Beam, beam calculation, straight beam, moment, stress, deflection, bending angle, DIN 1025, 1026, 1028,