Phase Diagrams
ODE Module v.1.3
ODE Module is a pro Fit module that solves initial value problems of sets of coupled first-order differential equations (up to fourteen).
MB Moon Phase
MB Free Moon Phase is one of the most simple and accurate moon phase calculator software. The program has been uniquely designed to calculate which phase the Moon is passing through on any particular day. The program is based on the astronomy calculations
Hertzsprung Russell (H-R) Diagrams v.1.0
Hertzsprung-Russell (H-R) Diagrams model simulates Hertzsprung-Russell (HR or H-R) diagram for groups of stars. The diagram is a scatter plot of steller luminosity vs. stellar temperature.
Pendulum Motion in Phase Space Model v.1.0
Study the dynamics of pendula in phase space with this tool. The Ejs Pendulum Motion in Phase Space model displays the dynamics of an ensemble of pendula in phase space (velocity versus position). Friction is set to zero. For the pendulum ensemble,
Phase Space Plotter Model v.1.0
Ensemble of pendula dynamics simulation. Phase Space Plotter model displays the dynamics of an ensemble of pendula or simple harmonic oscillators in phase space (velocity versus position).
Duffing Phase v.1.0
Solve Duffing equation fast and easy. Duffing Phase model computes the solutions to the non-linear Duffing equation, which reads, x'' + 2 x' - x (1 - x2) = f cos( t), where each prime denotes a time derivative.
Distribution diagrams of polyprotic acids v.1.0
Study polyprotic acids with this tool. Distribution diagrams of polyprotic acids enable you to calculate the distribution of the dissociated ions of mono-, di-, tri-, and tetra-protic acids.
Web Activity Diagrams v.1
Free Online UML Activity Diagram and UML Use Case Diagram Creator - Create Activity and Use Case Diagrams in MS PowerPoint and PNG image formats.
Venn Diagrams v.1.0
Venn diagrams are an interesting method for rendering triadic relations on a two dimensional drawing surface.
VectorEngineer Quick Tools
VectorEngineer Quick-Tools is a complete technical drawing and multi-purpose cad software system that offers all the features required to create accurate professional drawings, working drawings, designs, plans, layouts and diagrams in a quick and easy
ChessPad v.2.0.2
With ChessPad: -Create, view and edit PGN databases -Create games and diagrams for use in WordPad, Word, or HTML-pages -Use Winboard-compatible chess engines for playing and analysis -View games in a tree -Opening classification system