QtGrace is a version of Grace based on the Qt-SDK by Nokia. QtGrace/Grace is a program to display or plot data, analyze data and prepare it for printing. Plot and analyze data with this tool.
This software is special because it combines the convenience of a graphical user interface with the power of a scripting language which enables it to do sophisticated calculations or perform automated tasks.
QtGrace Features:
1. Import numerical data (like scientific measurements, statistics)
2. Organize and plot your data in different graphs
3. Analyze data (non-linear curve fitting, fft, filters, ...)
4. Add labels, decorations and comments
5. Save, print, export your results (for example for scientific publications, homework)

The license of this software is Free, you can free download and free use this calculator software.