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Sciences
All / Freeware
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Fractals are infinite complex images defined by a finite definition. We find in fractals a model to understand many different sciences such as economy, health and weather. Scientists love fractals. The images are usefull when they are applied as textures and backgrounds. Double Fractal is a program that creates fast and easily high complex images . No specific knowledge is needed to use this program, it is a program that can be run just for fun
OS: Windows 95, Windows 98, Windows Me, Windows NT, Windows 2000 Software Terms: Fractal Fractals Chaos |
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MedCalc is a stand-alone computer program for statistics in the biomedical sciences with an integrated spreadsheet for easy data input. It can import Excel, SPSS, DBase and Lotus files, and files in SYLK, DIF or text format. Special features of the program are, amongst others, lots of graphs including ROC curves, Kaplan-Meier survival plots, Bland & Altman plot and Passing & Bablok regression for method comparison.
OS: Windows 95, Windows 98, Windows Me, Windows NT, Windows 2000, Windows XP Software Terms: Altman, Bablok, Bland, Kaplan, Kappa, Laboratory, Medcalc, Medicine, Passing, Roc |
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YP Gear has been designed for the study of gear trains. This Macintosh software simulates the motion of a gear train composed of 2, 3 or 4 gears. The user controls the size of each gear.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Animation, Gears, Kinematics, Mechanical Engineering, Mechanism, Physics, Rotation, Sciences, Simulation, Teaching |
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Take control of a hamster in a ball and go a-rollin' through fifteen of the the craziest obstacle courses you've ever seen! But be careful, because the clock is ticking and everything and everyone is out to stop you! Let's roll! Take control of a hamster in a ball and go a-rollin' through fifteen of the craziest obstacle courses you've ever seen! But be careful, because the clock is ticking and everything and everyone is out to stop you! Fifteen unique...
OS: Windows XP, Windows Me, Windows 98, Windows 95, Windows 2000 Software Terms: Arcade, Ball, Gyroscope, Hamsterbal, Hamsterball, Madness, Marble, Marble Madness, Monkey, Monkey Ball |
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YP Reflection is designed to assist teachers and students when they study the laws of reflection in geometrical optics. The program provides the user with a laser source that can be moved and rotated, and with a large quantity of mirrors that can be moved and rotated. The normal to the mirror, the angle of incidence, the angle of reflection and the direction of propagation are displayed. The obtained diagram may be printed, copied to the...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Geometrical Optics, Laser, Light, Mirrors, Normal, Physics Teaching, Ray Optics, Reflection, Sciences |
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YP Electric Field simulates up to 26 point charges (located in the same plane) and draws the lines of force, the equipotential lines and the electric field vectors in the area surrounding the electric charges. The user can move the charges and change their numerical value. A probe displays the electric potential and the magnitude and direction of the magnetic field at any position.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Charge, Electric Field, Electric Potential, Electricity, Equipotential, Faraday, Lines Of Force, Physics Teaching, Sciences, Vector |
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YP Refraction is a tool to learn all about the refraction of light (Snell's law) in geometrical optics. The program provides a laser source that can be moved around a prism. Six different prisms are available: a simple frontier between two media of different index of refraction, a semicircular prism, square prism, a rectangular prism, two triangular prisms (60°-60°-60° and 90°-45°-45°). The user can change the indices of refraction. The normal...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Geometrical, Laser, Light, Optics, Physics, Prisms, Ray, Sciences, Teaching |
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YP Image is designed to assist teachers and students when they study image formation by mirrors and thin lenses in geometrical optics. The program computes the location and magnification of the image formed by a spherical mirror or a thin lens, and constructs a ray diagram on the screen. The obtained diagram may be printed, copied to the clipboard, or saved as a PICT file.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Geometrical Optics, Lenses, Light, Mirrors, Physics, Ray Optics, Rays, Sciences, Teaching |
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A Geneva mechanism is used to provide an intermittant rotational motion of the driven part while the driver wheel rotates continuously. This program simulates a Geneva mechanism with 4 or 6 slots. It displays graphs describing the angular position and the angular velocity of both parts of the mechanism, and it can also draw the tangential velocity of both parts.
OS: Mac OS 7.6 Software Terms: Animation, Graphs, Kinematics, Mechanical Engineering, Motion, Physics Teaching, Sciences, Simulation, Vectors |
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YP Magnetic Force is a teaching tool for the physics classroom. It simulates the magnetic force exerted on a particle moving in a magnetic field. The user can change the electric charge, the velocity and the magnetic field. The three vectors velocity, magnetic field and magnetic force are displayed in a three dimensionnal coordinate system which can be rotated in the desired orientation.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.1 Software Terms: 3-d, Components, Cross Product, Electric Charge, Magnetic Field, Magnetic Force, Magnetism, Physics Teaching, Sciences, Vector |
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YP Planetary Gear is designed to assist teachers and students when they study the working of a planetary gear train. (this software is not related in any way with astronomy). A planetary gear train is a mechanism consisting of an assembly of meshed gears: the sun gear, the planet carrier, and the ring gear. The automatic transmission in an automobile uses the planetary gear train to transmit power from the engine to the wheels at various...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Animation, Automobiles, Cars, Kinematics, Mechanical Engineering, Mechanism, Physics Teaching, Rotation, Sciences, Simulation |
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YP Slider Crank simulates the motion of a piston activated by a slider crank mechanism. The crank is in uniform rotational motion (constant angular velocity), causing the piston to move with a variable acceleration. Relative lengths of the crank arm and the connecting rod may be changed easily. During the simulation, it is possible to display the following vectors: acceleration, velocity and position, and the following graphs: acceleration,...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Animation, Graphs, Kinematics, Mechanism Mechanical Engineering, Physics Teaching, Rotation, Sciences, Simulation, Vectors |
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YP Collisions simulates a two-dimensional collision between two particles. The user chooses the mass, the initial velocity (magnitude and direction), and the coefficient of restitution. An animation shows the motions of the particles before and after the collision, and the following information is displayed: final velocity of each particle, impulse of each particle, momentum (initial and final), percentage of conserved momentum, kinetic...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Collisions, Dynamics, Force, Impulse, Momentum, Motion, Physics, Sciences, Teaching |
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Sound Scrubbers can recover and restore sound from micro-cassette tapes, standard tapes, audio CDs, voicemail recorders and virtually any other source or format. We can also improve the overall ‘listenability’ of your recording by performing noise reduction and fidelity restoration.
OS: Windows2003, Windows XP, Windows Vista, Windows NT, Windows Me, Windows 98, Windows 2000 Software Terms: Aes, Audio Sciences, Foresnic Audio, Sound Restoration |
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YP Vectors is a teaching tool for the physics classroom. It displays a vector in two dimensions, and its two components. The user can change the magnitude and the direction of the vector using the mouse. A window shows the numerical value of the magnitude, the direction, the x component and the y component of the vector. The user can change the scale used to draw the vector.
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Components, Direction, Magnitude, Mathematics, Physics Teaching, Sciences, Vectors |
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YP Projectiles is a projectile motion simulator used in physics classes. To simulate a trajectory, the user chooses the initial velocity (magnitude and direction), the vertical displacement component and the gravitational acceleration. The software simulates the parabolic trajectory and writes its main characteristics: range, maximum height reached, etc. During the simulation, it is possible to display three vectors: acceleration, velocity and...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Accelerated Motion, Animation, Graphs, Kinematics, Parabolic Motion, Physics Teaching, Projectile, Sciences, Simulation, Two Dimensional Motion |
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Jumper is a Web2.0 knowledgebase it provides an Intranet portal where user-created data profiles identify quality data resources, user-contributed information adds real-world knowledge about the data, user-created reviews identify the best resources. Jumper is a new kind of knowledgebase built on Web 2.0 technology. Our software provides an Intranet portal where user-created data profiles identify quality data resources, user-contributed information adds real-world knowledge about the data...
OS: Windows2003, Windows XP, Windows NT, Windows 98, Windows 95, Windows 2000, Java, Mac OS X, Linux Software Terms: Collaboration, Health 2.0, Healthcare, Knowledge Networks, Knowledgebase, Life Sciences, Medicine 2.0, Pharma, Web 2.0 |
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YP Atwood simulates a pulley (simple or double) driven by one or two suspended masses. This program is designed to study the kinematics and the dynamics of rotational motion with constant angular acceleration, and linear motion with constant acceleration. During the animation, up to 5 vectors (position, velocity, acceleration, tension and weight) and up to 7 graphs (position, velocity, acceleration, angular position, angular velocity, angular...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Angular Acceleration, Angular Position, Angular Velocity, Animation, Dynamics, Force, Gravity, Kinematics, Newton S Second Law, Physics Teaching |
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YP Circular simulates an object in uniform circular motion and/or an object in simple harmonic motion. Both motions (circular and harmonic) may be animated simultaneously to show that the uniform circular motion is a combination of two simple harmonic motions. Physics teachers use YP Circular to show that the velocity is tangent to the circle and that the centripetal acceleration is directed toward the center of the circle, in a uniform...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Acceleration, Centripetal, Circular, Graphs, Kinematics, Motion, Physics, Sciences, Simple Harmonic Motion, Simulation |
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YP Simple Pendulum simulates a simple pendulum, allowing to study its motion, the forces exerted on it, and its various forms of energy. It is easy to change the suspended mass, the length of the string and the maximum angle between the string and the vertical. During the animation, up to 6 vectors (tangential velocity, tangential acceleration, centripetal acceleration, total acceleration, weight and tension) and up to 9 graphs (angular...
OS: Mac OS 7.6, Mac OS 7.6.1, Mac OS 8, Mac OS 8.1, Mac OS 8.5, Mac OS 8.5.1, Mac OS 8.6, Mac OS 9, Mac OS 9.04, Mac OS 9.1 Software Terms: Angle, Dynamics, Energy, Forces, Graphs, Gravitational Potential Energy, Kinematics, Kinetic Energy, Motion, Pendulum |