WZGrapher Function Graphing and Math Program
Quick Function Graph Plotter with small footprint.
Additional features: numerical integration and derivation,
numerical solution of ordinary differential equations (ODE) up to the fifth order.
Scrolling and zooming the displayed range,
copying graphs into other applications,
saving your work as WZG files.
The most important actions can even be done with Mouse Gestures.
Built-in function calculator and numerical differential equation ( ODE ) solver which can generate value tables including the first derivative values.
Despite these and more features, the size of WZGrapher is just 100 KB, download size 114 KB.
Written in C language. 4. 11. 2007: Version 0.95 available.
Elements which actually aren't available through HTML.
Get a demonstration on this page.
Drag'nDrop & DHTML Library
Provides also Drag & Drop functionality for layers and images, as will be demonstrated on this page.
wz_dragdrop.js provides extended DHTML abilities.
The appearance and behaviour of these tooltips can be customized in multiple ways (color, border, shadow, balloon style, fadein/out etc.).
The tooltips may contain plain text as well as HTML, for instance images etc.
You may use them for free under the terms of the LGPL and of my copyright.
Online Function Grapher
Draws function graphs directly into the browser window - no download, no plugins required.
Copyright YES, Software patents (minefields to developers and smaller innovative companies) NO
A few pictures of my homebuilt recumbent lowracers.
Speed and Power Calculator, comparing different types of bicycles,
taking into account also slope of road, air density via barometric formula, wind speed, weight of bike and rider, rider's body height, etc.
Steering Geometry Calculator. Geometrical relation between head tube angle, trail and fork rake.
Spoke Length Calculator.
Interactive Graphical Rear-Wheel Suspension Simulator, calculates pogo-effect and pedal-kickback.