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Project Description

DOI: 10.5281/zenodo.49858

IOSACal is the radiocarbon (14C) calibration software of the IOSA project. IOSACal includes:

  • a programming library
  • a web-based application
  • a command-line program

IOSACal is written in the Python programming language and it can run natively on any platform where the Python interpreter is available, including all GNU/Linux distributions, MacOS X and other UNIX operating systems, and Microsoft Windows.

Source code is made available under the terms of the GNU General Public License.

Why another 14C calibration software ?

Most available programs for radiocarbon calibration, like OxCal, CALIB and others, are freeware. You don’t have to pay for them, but on the other side you’re not free to modify them as you need, nor to access and study the source code.

This is the main motivation behind IOSACal: creating a free-as-in-freedom radiocarbon calibration software, with a clean programming library, that enables experiments and integration in existing archaeological information systems.

Furthermore, writing this software from scratch is an alternative way of learning how 14C calibration works, not only in strict mathematical terms, but also from a practical point of view.

What can it do ?

IOSACal takes a radiocarbon determination and outputs a calibrated age as a set of probability intervals. A radiocarbon date is represented by a date in years BP (before present, that is before 1950 AD) and a standard deviation, like 2430±170. The combination of these two values is a numerical representation of a laboratory measure performed on the original organic material.

The main task of the calibration process is to convert this measure into a set of calendar dates by means of a calibration curve. Users can choose whether they want results as a plot, a short textual summary or both (the plot includes the summary).

IOSACal reads calibration curves in the common .14c format used also by other programs. Should you have calibration data in another format, it would be easy to either convert them to that format or modify the source code of IOSACal to adapt it to your needs.

IOSACal is based on current calibration methods, like those described in [RAM2008].

[RAM2008]C. Bronk Ramsey, Radiocarbon dating: revolutions in understanding, Archaeometry 50,2 (2008) pp. 249–275 http://dx.doi.org/10.1111/j.1475-4754.2008.00394.x

Who should use it ?

At this time, only those who like experiments should use it, but anyone is welcome to download the code and give us feedback.

Release History

Release History

0.3

This version

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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0.2dev

History Node

TODO: Figure out how to actually get changelog content.

Changelog content for this version goes here.

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
iosacal-0.3-py3-none-any.whl (320.4 kB) Copy SHA256 Checksum SHA256 py3 Wheel Apr 15, 2016
iosacal-0.3.tar.gz (10.2 kB) Copy SHA256 Checksum SHA256 Source Apr 15, 2016

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