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BREAKTRU AUTOSIM 3.3 A simulation of a NYC Transit Authority train traveling by automatic signals with working stop arms. Working circuit drawings show how the
| | Fabliaux 2.0 This ebook is aimed at the advanced French students or teachers wishing to read medieval texts. Selection of fabliaux and other medieval
| | Mixed-Up Math 1.0 A math puzzle where equations are all mixed-up. Equations go in all directions. | |