Primex is a lightweight program that gives you the ability to search for prime and Fibonacci numbers. The prime-search algorithm relies on the fact that every non-prime number, can be expressed as the product of smaller prime numbers.Primex uses...
License Type : Freeware     Download Size:238 KB

Ten Twenty Thirty is a simple "mental math" adding game played against the computer.  The student selects three numbers from a set of nine.The chosen three must sum to ten, twenty, or thirty. That sum is added to the student's score. Then th...
License Type : Freeware     Download Size:236 KB

Software for plotting electric field lines and equipotential surfaces around point charges.  It is intended as freeware for science education so pass it around if you like it....
License Type : Freeware     Download Size:232 KB

YP Rectilinear Motion is targeted toward physics teachers and physicsstudents.  It allows the user to plot a graph of velocity as a function oftime with simple mouse clicks.The program uses this graph to build agraph of position vs time, and a g...
License Type : Shareware     Download Size:227 KB

Middle-School (grades 5 through 9) math program written to provide skills in context. Students write and solve simple algebra problems, then manipulate the vertices of an on-screen triangle so that it matches given information about its angles....
License Type : Freeware     Download Size:223 KB

Middle-School (grades 5 through 9) math program written to provide skills in context. Students find and plot solutions to parabolas, hyperbolas, and absolute value functions using an on-screen Cartesian plane and five moveable points....
License Type : Freeware     Download Size:222 KB

The program contains thirty-two pre-made circle area problems, and thirty-two pre-made circumference problems.  For each problem the students gain understanding of radius and diameter by manipulating the size of an on-screen circle.Each area pro...
License Type : Freeware     Download Size:214 KB

Calculator+ is a lightweight scientific calculator for Mac OS X written in Cocoa Java.  It supports trigs, stats, combinatorics, and algebraic functions, multiple memories, simple RPN operations, and simultaneous base conversion in base 2,8,10,1...
License Type : Freeware     Download Size:209 KB

YP Reflection is designed to assist teachers and students when they studythe laws of reflection in geometrical optics.  The program provides theuser with a laser source that can be moved and rotated, and with a largequantity of mirrors that can ...
License Type : Shareware     Download Size:207 KB

Middle-School (grades 5 through 9, USA) math program written to provide skills in context. Students use mental math and proportional thinking to find common percentages (10% 5% 1% 15%, etc.) of a given number....
License Type : Freeware     Download Size:206 KB

Middle-School (grades 5 through 9) math program written to provide skills in context. Students locate points on a number line. Problems deal with fractions, decimals, square roots, and/or absolute values....
License Type : Freeware     Download Size:206 KB

Quadratic is a simple program that calculates the answers to the quadratic formula. In addition, it calculates pH in strong acid and weak acid dissociations given the pKa or Ka and the concentration of the original acid....
License Type : Freeware     Download Size:203 KB

This program does not show a true fractal (technically no fractal program does) but several iterations of a pattern which, if fleshed out, would be a true fractal geometric figure.  The iteration depth is controllable, but that depth is set to a...
License Type : Freeware     Download Size:20 KB

A utility primarily for unit and computer conversions.  Includes animal age, ASCII, depreciation, file download time for common and specific bandwidth, key codes, print/image, unit, weather, and web color conversions....
License Type : Shareware     Download Size:2.9 MB

CrystalDiffract is a program for generating,displaying, and manipulating X-ray and neutron-powder diffraction patterns. It is designed as a standalone program, but you will need the CrystalMaker program if you wish to generate crystals and diffr...
License Type : Freeware     Download Size:2.9 MB

DX Toolbox gathers information on solar and geomagnetic conditions that affect radio propagation. It also features several propagation forecasting tools, and is ideal for the ham radio operator, shortwave listener, or other radio enthusiast. DX ...
License Type : Shareware     Download Size:3276 KB

MI-SUGAR is a graphical interface for free circuit simulators SPICE and Gnucap.  Feature highlights: Editing netlists, plotting analysis results, exporting analysis results....
License Type : Freeware     Download Size:2.6 MB

Easy Calculat is a calculator that can do simple calculations such and slightly more advanced mathematics like trigonometry. ...
License Type : Freeware     Download Size:2.5 MB

Sequence is a program for analysing sequential data,like life events, husband-wife interactions, animalbehavior, newspaper messages about ongoing topics,or interviewer-respondent interactions. ...
License Type : Demo     Download Size:2.5 MB

SmartDog searches web pages and fetches only what you want. It searches web pages for words and phrasesand alerts you when they appear.You can configure SmartDog to search whenever you wantand as many web pages as you like.SmartDog will email or...
License Type : Shareware     Download Size:2.4 MB

SysQuake is a scientific application which permits you to interact directly with your graphics. With the mouse, you can manipulate curves or sliders and observe immediately, in real-time, the effects of changing initial conditions or parameters ...
License Type : Freeware     Download Size:2.3 MB

ConverTable Planets is designed to answer that age-old question, "if a widget weighs 34 stones on Earth, just how many troy ounces would that widget weigh on Mars?" In doing so, ConverTable Planets could be used to teach about unit conversions and gr...
License Type : Time-limited Trial     Download Size:2.3 MB

Fraction Fusion teaches and reviews fraction concepts to middle elementary-aged students.  Students are asked to identify the fractions of various types of models, including simple fractions, mixed numbers and number lines.Fraction Fusion also i...
License Type : Demo     Download Size:2.3 MB

Solid Geometry allows you to create your own three dimensional shapes, such as polyhedra, prisms, and pyramids.  Choose from 25 shapes, add your name, print, cut, fold and glue. Fun for children of all ages....
License Type : Demo     Download Size:2.25 MB

EnzymeX is a scientific program, developed to help you determine which restriction enzymes you should use to cut your DNA of interest. In addition, it gives you all the specific properties of these enzymes so that you can make sure that every di...
License Type : Freeware     Download Size:2.1 MB