Free small program which software for windows

Small Math 2D is application for visualization of two-dimensional mathematical objects written in Java. By now, it is in a very early stage of development and provides only a small fraction of future features.
Yet, it can plot functions of one variable, parametric curves, implicit curves, dynamical systems defined by recurrence, ordinary differential equations (initial problems) and systems of two ordinary differential equations of any order (initial problems). Soon, new features will be added, among them: contour plot, colored height maps, complex numbers, inequalities and many more.

Microsoft Small Basic 0.6 is designed to be a helpful project which is aimed at bringing "fun" back to programming. By providing a small and easy to learn programming language in a friendly and inviting development environment, Small Basic makes programming a breeze. Ideal for kids and adults alike, Small Basic helps beginners take the first step into the wonderful world of programming.

Requirements:

• Supported Operating Systems: Windows Server 2003; Windows Server 2008; Windows Vista; Windows Vista 64-bit Editions Service Pack 1; Windows XP; Windows XP 64-bit
• .Net Framework 3.5SP1

Small is a quick and little scripting language, specifically designed to extend applications. Features include a small footprint, quick execution of the P-code and a good interface to "native" functions.
These features make Small a good scripting language for games, multimedia applications and embedded software (for which scripting is needed). Optimized P-code ("bytecode") interpreter in assembler (Windows & Linux); there is even a JIT for Windows and Windows CE. Full source is included.
Enhancements:
- Bug fixes, improved portability