for macOS 10.12 to 10.15 and above:

Abscissa-4.0.4.zip (1.7 MB) released on Aug 30, 2020
Abscissa-4.0.4.ReleaseNote.txt (2 kB) released on Aug 30, 2020

Abscissa-4.0.2.zip (1.7 MB) released on Feb 18, 2020
Abscissa-4.0.2.ReleaseNote.txt (2 kB) released on Feb 18, 2020

Abscissa-4.0.0.zip (1.7 MB) released on Jan 03, 2020
Abscissa-4.0.0.ReleaseNote.txt (2 kB) released on Jan 03, 2020

for Mac OS X:

Abscissa-3.4.6.zip (1.8 MB) released on Nov 19, 2015

Note: Mac OS X might refuse to start Abscissa since it isn't code signed. To bypass the Gatekeeper hold down the CONTROL key the first time you start Abscissa. For more information about Gatekeeper see e.g.: http://www.bu.edu/infosec/howtos/bypass-gatekeeper-safely


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older version:
Abscissa-3.4.3.zip (2.0 MB) released on Mar 29, 2013
Abscissa-3.4.1.dmg (3.0 MB) released on Apr 7, 2009
Abscissa-3.4.0.dmg (3.0 MB) released on Mar 30, 2009
Abscissa-3.3.7.dmg (1.7 MB) released on May 27, 2006
Abscissa_3.2.1.dmg (496 kB) released on Aug 10, 2003
Abscissa_3.1.1.dmg (360 kB) released on Feb 9, 2003
Abscissa_3.1.0.dmg (500 kB) released on Jan 13, 2003
Abscissa_3.0.4.dmg (450 kB) released on Jan 9, 2002

for OpenStep:

Abscissa.3.1.1.OpenStep.tgz (440 kB) released on Feb 10, 2003

older version:
Abscissa.3.0.3.OpenStep.tgz (800 kB) released on Jan 8, 2002
Abscissa.2.8.24.OpenStep.tgz (630 kB)

data files for presented screenshots:

Example Plots.zip (187 kB)

History:

new in version 4.0.4:

• more security due to signed and notarized app
• many bug fixes mostly in Inspector panel

new in version 4.0.0:

• replaced outdated UI, especially NSForm
• 64 bit

new in version 3.4.6:

• bug fix of the script recorder creating perl incompatible quotes

new in version 3.4.5:

• bug fix for the "fit to page" command
• fixes related to Mac OS X 10.11

new in version 3.4.3:

• bug fixes
• build for Mac OS X 10.7 and higher

new in version 3.4.1:

• bug fix for the text object

new in version 3.4.0:

• bug fix for the text object
• new preference for editing text objects horizontally
• script function "nextMarkedCurve" has a changed output format

new in version 3.3.7:

• Scripting Examples
• new auto-updating but still configurable legend
• new user interface
• universal binary
• faster drawing of long polygons
• transparent bitmap export with desired resolution (mainly for MS-Powerpoint)
• mosaic plots by means of a script

new in version 3.2.1:

• automatically updating legend
• axis direction can be reversed (since I'm in NMR business now)
• two example source codes for controlling Abscissa remotely
• one example source code for adding your C-functions to Abscissa's formulas

new in version 3.1.1:

• fixes for several problems with logarithmic axis
• fix for a launch crash with symbol containing plots
• better column width in data viewer

new in version 3.1.0:

• support for unicode file names
• error function erf(x) and erfc(x) added
• line profile function gl() added: sum of a gaussian and lorencian function
• API call "setAttributes-S symbolSize" fixed
• new preference panel field "max polygon points for printing", see Release-Notes for details
• variables in text objects, see Release-Notes for details