Fraction

Calcute
Free - Calcute.com

Calcute: free, compact, capable tape calculator. This expression evaluator processes complex expressions like -ln(1+2) * 3% + sin(4 5\6)^7 and allows exact rational values like 2 1\3 instead of 2.3333... Compact single-line mode or flexible multi-line editor to edit past work, recalculate, cut and paste on the tape, save to file, restore. Select font, button size. Show/hide buttons. Number bases: binary, octal, hexadecimal. Group digits. Help.

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Uconeer
Free - Katmar Software

Freeware. 397 units in 46 categories. Has all basic categories and engineering specific categories like enthalpy, heat capacity, heat transfer coefficient, moment of inertia, surface tension, torque and viscosity. Converts feet and inches to and from decimal lengths. Converts between dynamic and kinematic viscosity. Steel hardness equivalents. Gas Constant in 900 sets of units. Excludes archaic units. Powerful formatting and clipboard features.

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YUVsoft Super Resolution Demo
Free - YUVsoft

High quality video upscaling using a unique fast super resolution technology. Information from several video frames is used to greatly enhance quality of a high resolution image. Several presets with different speed-quality trade-off are available. The best results are obtained when upscaling video 2 times. The demo can process AVI files of 704x576 resolution or below, making it possible to evaluate quality of SD to HD content conversion.

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WatchMe
Free - Flamebrain Technologies Inc.

WatchMe is a simple timer program that can be used to time a number of different tasks or events together or indepenedently of each other. You can easily name each timer and track information about the tasks that you are timing - a great solution for those who need to track their time for billing, timesheets and more.

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Mathematics
Free - eptsoft

Over 300 highly interactive topics, use with any existing textbook, insert your own values and explore their effects, shows calculations, plots graphs, full colour graphics redrawn to scale for every change, explanatory text, step through topics, even makes revision enjoyable. Plus full colour printing showing your own chosen values, copy and paste to make custom teacher handouts or students course work, modify or add to the text and questions. F

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Electronics Mech Maths and Computing
Free - eptsoft

Over 1000 highly interactive science and engineering topics, use with any existing textbook, insert your own values and explore their effects, shows calculations, plots graphs, full colour graphics redrawn to scale for every change, explanatory text, step through topics, even makes revision enjoyable. Plus full colour printing showing your own chosen values, copy and paste to make custom teacher handouts or students course work, modify or add.

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