Differ

ODEcalc
Free - Optimal Designs Enterprise

ODEcalc for Windows: An Ordinary Differential Equation (ODE) Calculator! State your equation, boundary or initial value conditions, & it solves your problem. Plots solution y & derivative ydot versus x. Solves most Boundary Value Problems (BVP) & Initial Value Problems (IVP) for Nth order ODE. ODE may be nonlinear, implicit, and any order. Source code included ... it's short! Great teaching tool! An improved productivity example.

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VBA Code Compare
Free - Formula Software, Inc.

VBA Code Compare allows you to compare and merge any Visual Basic code embedded into a VBA project (macros, sheet code, module code etc.). This tool uses direct access for working with VBA modules. Thus, you don't have to export the source code to a file for comparing and import the edited code back. Supports Excel, Access and Word files.

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Magnifying Glass
Free - Workers Collection

Magnifying Glass is simple utility which zooms region of screen under mouse cursor. Magnifying Glass useful for PC connected to TV-set or to the monitor with old phosphor. This utility differs from many others by set of unique features: various contrast modes, various position modes, transparency. Platforms: Windows 9x/2000/XP. Languages: English, Russian.

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Compare Sheets
Free - Ventsislav Alexandriyski

Compare two tables created with MS Excel and create result table according to given criteria. Depending on compere function result table may include -lines from first table that have match in second table -lines from first table that naven't match in second table -lines from both tables that haven't match in oposite table

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Z-Plot
Free - Reinhard Nopper

Z-Plot is a plotting software that allows you to visualize a multitude of mathematical functions and curves. The software has a powerful mathematical formula interpreter, that also allows the user to handle complex numbers, easily. The display can be switched from 2D to 3D mode. Additionally, diagrams can be made from a data table.

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EZ-R Stats for Excel
Free - EZ-R Stats, LLC

Excel addin to provide statistical analysis. The program facilitates and supports data analysis by providing numerous tools and charts, leveraging the facilities within MS-Excel. This routine is available at no charge, and may be used for any purpose, including personal and commercial.

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