WLock-Licensing Source Code for VB6
WLock 1. 0. 3 is a VB6. 0 Class Code, which can be integrated into any Visual Basic Project for protecting the intellectual property of the developer. The Setup consists of two parts License Manager and Test Application. WLock reads a set of 14 machine constants of the users PC and generates an... Out of the available 14 constants, developer then chooses one or more constants and generates the corresponding License Key, after selecting a host of license parameters. ... s end records the user details and her machine constant.
http://www.wnode.com/files/wlock.zip - 2Mb - Download - Screenshot

The Calculator
The Calculator is small and handy. It supports compound expressions, bit operations, unlimited number of user variables and constants, and works with various types of notation. Special features: * User Variables. In computations, you can save your intermediate results in variables for further use. ... Some frequently used values, such as physical and mathematical constants, may be written in a special file, and then used in your computations by name, just like variables. ... * User Constants. ... (By default, The Calculator works with radians) Type cos(20g) and get the result.
http://www.delta-z.com/files/thecalc.zip - 313Kb - Download - Screenshot

BATE pH calculator
BATE calculates pH of solutions containing mixtures of acid and base with up to 4 dissociation steps and titration curves for these acids and bases. Ionic strentgh can be calculated from the dissociated forms concentrations, omitted or forced upon the solution. ... Program contains editable database of common weak acids and bases and accepts acid and base dissociation constants and protonation constants as input, calculating all other types of constants as needed. ... Extensive tutorial and help.
http://www.chembuddy.com/files/BATEInstall.exe - 363Kb - Download - Screenshot

CCUnits
CCUnits is a program for Windows 95/ 98/ ME/ 2000/ NT to convert units of measure common in engineering and science. Also, several physical constants can be consulted. It includes 56 magnitudes and in each magnitude the most frequently used units have been chosen. ... With a few clicks, the user can perform units conversions, and access a list of physical constants. ... The use of the program is easy and intuitive. ... Results can be displayed in normal and scientific formats, and the user can specify the number of decimal places.
http://www.castillobueno.com/CCUnits35.EXE - 816Kb - Download - Screenshot

Kintecus
Powerful Industrial Strength/Research Grade chemical modeling, chemical kinetics and equilibrium software for simulation of combustion, nuclear, biological, enzyme, atmospheric and many other processes via a graphical interface. Kintecus features the ability to quickly run Chemkin/SENKIN II/III... Now can now fit or optimize rate constants, initial concentrations, Lindemann/Troe/SRI/LT parameters, enhanced third body factors, initial temperature, residence time, energy of activation and many other parameters against your experimental/fabricated dataset(s).
http://www.kintecus.com/kintecus.zip - 8Mb - Download - Screenshot

Electrical Calculations
Electrical Calculations software provides calculations for busbar and cable ratings, static and bulk power factor correction, motor starting currents and curves, enclosure ventiation, transformer calculations and many metric / imperial conversions and constants. ... Written for Electrical Engineers and tradesmen.
http://www.lmphotonics.com/busbr32.zip - 35Kb - Download - Screenshot

Calc98
Calc98 is a pocket calculator simulator program for the Microsoft Windows operating system. It includes a comprehensive set of conversions, constants and physical property data, a built-in periodic table of the elements, number base conversions, vectors, matrices and complex numbers. ... It is especially designed for scientific and engineering users, students and teachers and it is also widely used in finance and medicine.
http://www.calculator.org/calca.exe - 488Kb - Download - Screenshot

CLK-Calculator
CLK-Calculator is a software calculator for windows. The program can handle basic operations but can handle complex numbers and vectors as well. Often used constants can be picked out of the library. Additional the program can convert 261 units of measure, work with matrices, offers a formula... And this is not everything at all.
http://www.clk-calculator.de/CLK-Setup.exe - 16Mb - Download - Screenshot

PalmaryCalc
PalmaryCalc is a calculator with a user-friendly interface. It is all in one: from a simple calculator to a scientific, conversion functions (from cooking to astronomical), credit, base number conversions between binary, octal, decimal, and hexadecimal; 32-bit, 16-bit, and 8-bit integer math... The variety of input methods (including RPN) enables you to perform almost all operations you need.
http://www.palmarysoft.com/products/calc/PalmaryCalc_v101.zip - 625Kb - Download - Screenshot

Statistics ActiveX
Statistics is a well tested element, which provides some basic statistical calculations, such as average, variance, covariance and more. In addition it provides the values of the Standard Normal Distribution and of the T Distribution. The element has one basic procedure that concerns the element... Two functions provide constants. ... These are fN and fT. ... The following functions calculate requested values and return them: adARMatrixGenerate, dAutocov, dAverage, dCovariance, dDeterminationMeasurement, dServiceDegree, dTheilInequality, dVariance.
http://www.sensalgo.com/downloads/saobusax.zip - 2Mb - Download - Screenshot