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- Abscissa is a scientific 2D plot and fit program.
- It offers:
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- - ASCII import and export
- - EPS export
- - fast reading and plotting
- - plotting in many styles
- - linear and logarithmic axes
- - text and graphic
- - x,y error bars
- - color support
- - 4 interpolation methods
- - user entered functions f(x)
- - flexible functions (parameters, user data, ...)
- - numerical derivation, integration
- - data manipulation with functions
- - parameter fitting with a Least Square Method
- - fit of function with several independent coordinates (Rn->R)
- - API: an interface to control Abscissa by external programs
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- New in Version 2.0
- - a new formula interpreter
- - API: an interface to control Abscissa by external programs
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- IMPORTANT: Users who use formulas of version 1.x should read the help section "New Formula Syntax" because of some incompatible syntax changes.
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- New in Version 1.9
- - tool box for mouse modes
- - arrow at end of axis
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- New in Version 1.8
- - symbol size defineable by data column
- - sorting data
- - drag & drop of files
- - NextStep Help System
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- New in Version 1.7
- - a data view window
- - a startup layout file
- - panel positions saved in layout files
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- New in Version 1.6
- - new curve panel for better handling of many curves
- - moveable x and y axis
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- New in Version 1.5
- - a second x- and y-axis with independent range is available.
- - run on MC680xx and Intel
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- new in 1.4 compared to 1.1 :
- - layout-files to save most attributes of a plot
- - unlimited number of curves
- - unlimited numbers of windows
- - modify x-values of curves
- - simultaneous change of attributes of many curve
- - parameters can be fixed for fitting
- - Markers to recall parameters (designed for spectroscopy)
- - search all local maxima/minima of a curve
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- Author:
- Rüdiger Brühl
- TU-Berlin
- Institut für Strahlungs und Kernphysik
- Hardenbergstr. 36
- 10623 Berlin
- Germany
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- e-mail: bruehl@kalium.physik.tu-berlin.de
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- Abscissa is Shareware.
- If you use Abscissa regularly please remit DM 50 or $ 35. Commercial distribution is forbidden. There is no warranty for Abscissa.