FiltersCAD - FiltersCAD is active filter synthesis software package
FiltersCAD is a comprehensive PC based filter synthesis software package (32-Bit GUI for Windows95/98/ME/NT 4.x/2000/XP). FiltersCAD provides active circuit synthesis with PSpice *.cir netlist generation.
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Balance and search chemical equations easily and rapidly !
Chemical Equation Expert is an integrated tool for chemistry professionals
and students. You'll find complicated work such as balancing chemical
equations and related calculations so easy and even enjoyable!