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Newton-II is a program for solving mechanical equations of motions numerically. The equations can be parameterized for interactive investigations of the motions. The according solutions are displayed immediately in a diagram.

The differential equations (DEQs) are programmed to calculate the time dependence of the velocitiy v(t) of a point of mass from the given acceleration a. Then the location s(t) is calculated from v(t).

The acceleration a can be entered directly or with any desired mathematical term (i.e. a = F/m from Newton's law). For solving the DEQs several solution methods up to a very sturdy adaptive

What's New in Newton-II

Version 3.0:
  • Multiple documents
  • English version
  • Welcome screen
  • 3D diagram
  • Unified code basis with Fluxion & Lagrange
  • Fresh new created high resolution icons
  • New file suffix for documents
  • Modernised streamlined GUI
  • Better table handling
  • Data import (reads table data from

Requirements for Newton-II

  • OS X 10.5 or later
  • Java 8
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Newton-II User Discussion

Current Version (3.x)
Downloads 2,228
Version Downloads 43
License Free
Date 06 May 2019
Platform Intel 64 / OS X
Price Free
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