YP Image

YP Image 1.0.1

YP Image is designed to assist teachers and students when they study imageformation by mirrors and thin lenses (geometrical optics). It computes thelocation and magnification of the image formed by a spherical mirror or athin lens, and draws a ray...

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 lasersource that can be moved and rotated, and with a large quantity of mirrors that can be moved...

WX Logger

WX Logger 1.0b

WX Logger, a Macintosh program for reading weather data from the Oregon Scientific/Huger wireless weather station, is now available. The program is free personal and non-commercial use. WX Logger displays daily highs, real-time weather information, and...

Mac Grayliner displays a map of the entire Earth, showing day, night, and more importantly, the terminator between day and night. Studies have shown that enhanced radio propagation occurs between two points which are both on the day/night terminator. Mac...

Combinations! is a number-combinations generator, ideal for lotto players, but suitable for anyone who needs a program which can generate combinations of a given set of numbers. Enter up to 20 different numbers and have Combinations! show all 2,3,4... to...

The Greeks proved that there are exactly five regular solids: the tetrahedron, cube, octahedron, dodecahedron, and icosahedron. In 1901, Ludwig Schlafli proved that there are exactly six regular solids in four dimensions, and only three regular solids in...

YP Atwood

YP Atwood 1.0

YP Atwood simulates a pulley (simple or double) driven by one or two suspended masses. Thisprogram is designed to study the kinematics and the dynamics of rotational motion with constantangular acceleration, and linear motion with constant acceleration....