Freeware: Symmetry

	Equiv  License: Freeware
	Equiv is a program for the symmetry analysis of reflections, from single crystal diffraction data collection. Author: Mauro Prencipe| Date: 08-12-2003 | Size: 55 KB
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	Tile Builder Art Pack  License: Freeware
	100 free patterns and 25 masks generated by Tile Builder. Tile Builder is a Photoshop-compatible plug-in for creation seamless patterns from images using symmetry rules. This plug-in will be useful for web designers, artists, photo and computer graphics enthusiasts. It allows you create fantastic attractive seamless patterns by one touch. Run Tile Builder, choose one of 17 tiling method, press Apply and you receive incredible result! Since for pattern generation plug-in uses only small image area you can receive huge amount of patterns from one image only. The target shape of this area is defined by selected tiling method. Using selected area plug-in fills plane without gaps using symmetry operations (shift, rotation and reflection). Our plug-in has unique flexibility and power: you can move, rotate and bend target shape in order to match desirable motif for you seamless pattern. You can adjust pattern size and edge overlapping for creation smooth transition between shape sides. You can see result of flood filling using generated pattern in preview window. Also, you can save generated rectangular seamless pattern as BMP, JPEG or PNG graphic file for using anywhere. Our plug-in has simple install and uninstall procedures, help and tutorial. Author: ImageSkill| Date: 31-07-2006 | Size: 2740 KB
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	Electronics Mech Maths and Computing  License: Freeware
	Electronics - DC Current flow - Basic Electronics - Resistor Value Test - Simple DC Circuits - Types of Switching - Variable Voltages - Ohm's Law - DC Voltage - DC Current - Series/Parallel Resistors - AC Measurements - AC Voltage and Current - AC Theory - RCL Series Circuits - RCL Parallel Circuits - Capacitance - Capacitors - Inductance - Inductors - Impedance - Radio and Communication - Attenuators - Passive Filters - Active Filters - Oscillators - Circuit Theorems - Complex Numbers - Electrical - DC Power - AC Power - Silicon Controlled Rectifier - Power Supplies - Voltage Regulation - Magnetism - Transformers - Three Phase Systems - Energy Transfer and Cost - SemiConductors - Atomic Structures - Diode Theory - Diode Applications - Transistor Theory - Bipolar Transistor - Transistor Configurations - Active Transistor Circuits - Field Effect Transistors - Basic Operational Amplifier - Op-Amp Theory - Op-Amp Applications - Sum and Difference Amp - Testing - Analogue Multi-meter - Measurement -Mathematics - Number Systems - Number Conversion - Number Types - Roots - Angles and Parallels - Triangle Ratios - Triangle Angles - Percentages - Ratios - Fractions - Vectors - Circle Angles - Algebra Rules - Algebra - Mathematical Rules - Powers and Indices - Simplifying - Equations - Graphing - Slope and Translation - Curves and Angle Conversion - Personal Finance - Mechanics - Area - Surface Area and Symmetry - Volume - Compound Measures - Geometry - Motion - Optics -Computing and Logic - Hardware Devices - Data Structures - Data Files - Computer Systems - Data Handling - System Development - Computer Programming - Data Analysis - Binary Numbers - Binary Arithmetic - Digital Techniques - Logic Gates 1 - Logic Gates 2 - Logic Families - Flip Flops - Combinational Logic - Counters - Counting - Shift Registers - Logic Interfacing - 555 Timer - Boolean and DeMorgan's - Microprocessors - Micro-Computer - Data/Address Bus - A.L.U - Clock and Reset - Instructions and Control Author: eptsoft| Date: 01-01-2007 | Size: 6650 KB
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