PTC Mathcad Express is free-for-life engineering math software. You get unlimited use of the most popular capabilities in PTC Mathcad allowing you to solve, document, share and reuse vital calculations.

KLONK Map Measurement uses lines and shapes to check one or several distances and estimate sizes of different features on Earth. With Map Measurement, you can measure the length on the ground with a line or polygon.

ODEcalc (tm): An Ordinary Differential Equation (ODE) Calculator! Nonlinear ODEs. State your equation, boundary/initial value conditions & it solves your problem. Plots solution y & derivative ydot versus x. Calculus Programming demo application.

Physical properties estimation software that uses two powerful databases, both databases include over 400 fluids (including 55 common refrigerants). The software also include humid air properties and has the ability to estimate mixture properties

Easy to use software demonstrates the chemical design & rating calculations of Shell and Tube Heat Exchangers.Unlike other tools, ensures that calculations are performed step by step to help in understanding the design calculations...etc

AcaStat statistical software is an inexpensive and easy-to-use data analysis tool. Whether a teacher, student, manager, or researcher you will find AcaStat is a simple solution for your basic analytical needs. Mac and Windows.

Elk is a free geotechnical platform that can be extended with either free or/and commercial plugins. A single solution for all the phases of a geotechnical project: evaluate tests, model the basement, design structures.

Elk is a free geotechnical platform that can be extended with either free or/and commercial plugins. A single solution for all the phases of a geotechnical project: evaluate tests, model the basement, design structures.

This software is intended for simulating and analyzing samplings from experimental data, using both infinite and finite populations; supports basic statistics, frequency and graphics for both the population and simulated samples data.

Cross Section Analysis & Design performs all calculation tasks for generic cross sections of any material. Moreover, the program can perform reinforcement design as per AASHTO, UBC, AS 3600, IS 456, ACI 318, BS 8110, CSA A233, EC2, NZS 3101 and CP65.