2x2 kids game 1 Overview

Design ruled or checkered paper with individual colors, line widths and edges. Additionally you can insert a picture and use a background texture and a free text to design your personal writing paper.

Easy to use and understand.
Good looking scalable vector graphics.
Standard and I-Ching biorhythms.
Next 30-Day reporting.
Compatibility biorhythms between you and your loved one or a friend.
Print preview and print plots.

A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the signal system relays function while the train passes over track circuits.