Microworlds (Tools) Contents Calculus Unlimited Download Demo Hebrew and English A computerized environment based on the possibility to represent, explore, and explain concepts and processes in algebra and calculus using the concept of function. More … Algebraic Patterns Hebrew, English and Arabic On the screen are displayed lattices filled with sets of numbers formed by certain formulas and the student's main task is to find the rules by which the lattice is built. More … The Geometric Supposer Download Demo Hebrew and English The software supplies tools for all the constructions that can be done with straightedge and compass, and also contains "ready made" objects, such as a quadrangle that can be inscribed in a circle. The software "remembers" all the construction and measurements done on an object and allows to repeat them on another object. More... Modeling: MoveOn Download Demo Hebrew and English How was a painting drawn? Fast? Slowly? At a constant rate? Did the hand that moved the mouse on the drawing plane stop? To answer questions like these we need to explore the motion that created the two-dimensional drawing. In order to describe or reproduce the motion, we need to represent it using mathematical models. Thus, the motion model of MoveOn acts as a world of experience and learning.More … Modeling: The Function Sketcher Download Demo Hebrew and English The software is suitable for learning general facts and mathematical descriptions even before starting algebra studies. It can be used for learning about functions in junior-high, or within topics such as learning functions, derivatives, analyses and physics in high school. More... Modeling: Escalator DownLoad Demo Hebrew and English How is it possible to get different kinds of parabola by manipulating its change?When the instantaneous velocity is known, is it possible to construct the accumulating length of its path?These questions are of great importance in mathematics and in other different sciences.The software “Modeling: Escalator” could help to answer these questions in a qualitative way concerning graphs and numbers. More...