yoshinoGRAPH is a scientific graph software for data analysis and presentation. You can make 2D and 3D graphs quickly from data files in text format. This software is tiny but includes many basic functions to analyze/edit data as well as rather advanced ones.
Features:
plot styles: scatter charts, density and 3D plots with and without lines
double Y-axis and shift in Y direction are available in 2D graph
easy to change scales among linear, log and inverse
polynomial and 3rd spline fits
manual fit of two independent lines to a data curve
easy to remove scattered/noisy data
easy to convert data; quick sort, smoothing, making tables and so on
to draw a math function on 2D graph using an expression
to copy a graph as metafile and bitmap formats to paste it on a presentation software
easy to read many data files saved in different folders
点这里下载-> yoshinoGRAPH v1.30