Free scientific software for windows

The classic text on marketing by Claude Hopkins entitled Scientific Advertising. If you have have a business, this book will help you apply time-tested methods to increase your visibility and profitability.

English version.
Solves math expressions like: Sin(Pi)-Root(-8;3)+3
Creates users functions (e.g. surfaces, volumes, and so on). Publishes in Internet. Receives from Internet.
Program shows position of bugs in math expression made by user. Descriptions of bugs help solve a problem.
Prompter shows functions, variables, constants. Simply press SPACE key.
Exchange rates table and currency converter are update from Internet by one click.
Units converter makes easier to convert various units.
14 categories of units: length, temperature, pressure and so on.
Creates users variables.
Numeral systems: binary, octal, decimal, hexadecimal.
Measures of angle: radian, degree, gradus.
5 sets of keyboards configured ba a user.
3 calculators - user can calculate three various math expressions.
Button Undo and Redo.
History of math expressions.
Comprehensive Help.

Scientific & Currency calculator is an application that contains a scientific calculator and currency converter.
Main features:
- includes customizable Currency Exchanger
- includes Functions Interpolation
- includes special functions
- includes 80 datatime functions
- includes Excel OLE graphing
- includes Periodic Table of the Elements !
- supports complex numbers
- supports currency numbers
- supports financial functions
- calculates mathematical expression on the fly
- includes common math functions and constants (280 built-in)
- user can define own functions, variables and constants
- supports "if" and "while" functions
- supports boolean expressions
- includes customizable unit conversion
- includes system of linear equations solver
- includes numerical integration
- expression can be symbolic differentiated
- update service

A scientific calculator program featuring extensive mathematical functions. Its layout and features are similar to scientific/engineering calculators. The program requires VB6 Runtime files. To download runtime files, please visit the UniCalcs homepage.

Datascape 3 is renowned as a simple to use, yet sophisticated 2D linear data plot and browse tool for Win32. It offers many powerful features for graph presentation of scientific data by infinite zooming and various plot styles. It can also plot a mathematical expression dynamically.