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Download Mathematics in Hobby & Education (page eleven)
Prime Integer Observatory 1.0

Visualization of integer factorizations.

This application illustrates the notion of an integer’s factors, and of the related property of integers called primeness, or primality. An integer is called prime if it is the product of only one distinct pair of integers. For example, 11 is prime because the only pair of integers whose product equals 11 is 1 and 11, as in 1*11 = 11 .

On February 1, 2008 updated, download size 106Kb, for Windows 98, 2000, XP, Vista.

Phyllotaxis 1.0

Visualize of spiral arrangement of circles.

Phyllotaxis is the study of the successive arrangement of radial parts of a growing plant, such as the leaves on a stem, or the seeds in the head of a sunflower. This application generates a simple phyllotaxic arrangement of circles, expanding outward at either a linear or an exponential rate. You can specify the angle between each circle (between 0 and 360 degrees), and you can determine rate of expansion using a pair of slider controls.

On January 20, 2008 updated, download size 141Kb, for Windows 98, 2000, XP, Vista, CE.

Golden Rectangular Solid 1.0

Visualize 3D golden-rectangular-solid.

One might wonder if there is a 3-dimensional golden-rectangular-solid that is analagous to the 2-dimensional golden-rectangle, which can be sub-divided recursively so that each left-over rectangular solid has the same proportions as the original rectangular solid. The 3D analogue to the 2D golden rectangle does indeed exist, and is depicted by this application.

On January 22, 2008 updated, download size 485Kb, for Windows 98, 2000, XP, Vista, CE.

Cosmic Heart 1.0

Visualize tetrahedron, cube, and dodecahedron.

This application demonstrates the curious relationships wherein a tetrahedron can be inscribed in a cube in two different ways and a cube can be inscribed in a dodecahedron in 5 different ways. It also demonstrates a kind of quantum fluctuation or beating as a heart does, in which the tetrahedron oscillates back and forth between the two positions in which it can be inscribed in the cube, and in which the cube oscillates within the dodecahedron.

On January 22, 2008 updated, download size 520Kb, for Windows 98, 2000, XP, Vista, CE.

Automaton Laboratory 1.0

Visualization of hierarchical planar curves.

This application is a laboratory for the creation of automata. An automaton is a system of circles (actually planar coordinate systems) moving relative to one another in a hierarchical fashion. That is, every circle in the system except one will be rolling along the circumference of one other circle at every moment in time. Automata are a superset of the mathematical curves called epicycloids and hypocycloids.

On January 20, 2008 updated, download size 46Kb, for Windows 98, 2000, XP, Vista, CE.

Automaton Lab 3D 1.0

Visualize hierarchical 3-dimensional curves.

The automata which are modeled in this application are composed of a set of spheres whose size and axis are relative to one another, and where each sphere is rolling upon the surface of one other sphere in a fully deterministic pattern in space and in time. The paths through space taken by one or more points within each sphere can also be visualized as the automaton carries out is choreographed movements.

On January 23, 2008 updated, download size 772Kb, for Windows 98, 2000, XP, Vista.

Automaton Lab 3D Quantum 1.0

Visualize quantum hierarchical 3D cruves.

The automata which are modeled in this application are composed of a set of spheres whose size and axis are relative to one another, and where each sphere is rolling upon the surface of one other sphere in a fully deterministic pattern in space and in time. The paths through space taken by one or more points within each sphere can also be visualized as the automaton carries out is choreographed movements.

On January 20, 2008 updated, download size 1333Kb, for Windows 98, 2000, XP, Vista.

Compact Calculator - CompactCalc 4.2

CompactCalc is enhanced scientific calculator.

CompactCalc is an enhanced scientific calculator for Windows with an expression editor. It embodies generic floating-point routines, hyperbolic and transcendental routines. Its underling implementation encompasses high precision, sturdiness and multi-functionality. With the brilliant designs and powerful features of CompactCalc, you can bring spectacular results to your calculating routines.

On January 15, 2008 updated, download size 1953Kb, for Windows 98, 2000, XP.

Multivariable Calculator - SimplexCalc 4.1

SimplexCalc is a multivariable calculator.

SimplexCalc is a multivariable desktop calculator for Windows. It is small and simple to use but with much power and versatility underneath. It can be used as an enhanced elementary, scientific, financial or expression calculator. In addition to arithmetic operation, more than hundred built-in constants and functions can also be used in your expression.

On January 20, 2008 updated, download size 1953Kb, for Windows 98, 2000, XP.

Tukanas Email Extractor 2.0

Tukanas Email Extractor software.

Tukanas Email Extractor 2.0 has been made to collect email addresses from websites. It can obviously extract email adresses in any files on your computer. It will be usefull to extract emails for marketing, search directory creation, website promotion, web research etc. Create targeted mailing lists cannot be so easy. Tukanas Email Extractor software doesn`t need any additional software like Microsoft Internet Explorer to be run.

On March 25, 2008 updated, download size 1070Kb, for Windows 98, 2000, XP, Vista, 64bit.

GraphEasyRect allows graphing f(x).

GraphEasyRect allows graphing f(x) on cartesian plane. It shows points of discontinuity encircled on the graph. Viewport may be moved any where on the cartesian plane. Graphs may be printed. Data values for function my be displayed and/or copy pasted into applications such as Excel. Graph view may be zoomed in or out by adjusting minimum and maximum values for x-axis and y-axis. From simple to complicated function, it draws them all.

On April 5, 2008 updated, download size 31Kb, for Windows 98, 2000, XP, Mac OS, Linux, Unix.

GraphEasyRect3D 1.1

GraphEasyRect allows graphing f(x,y).

GraphEasyRect allows graphing f(x,y) in space projected on x-y palene. Viewport may be moved any where in space. Graphs may be printed. Graph view may be zoomed in or out by adjusting minimum and maximum values for x-axis , y-axis, and z-axis. From simple to complicated function, it draws them all.

On April 5, 2008 updated, download size 31Kb, for Windows 98, 2000, XP, Mac OS, Linux, Unix.

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