Power on X is a Mac OS X native (cocoa) program for the calculation of statistical power. The program can perform calculations of required sample size to achieve a desired power, and calculations of power for previously run studies/experiments. In addition, the paid version can generate power/sample size tables.
SqW FREE SqW is a mathematical program for caculating and solving equations of type f(x)=0. It also builds simple graphs and has syntax analyser. Functions: sin(x), cos(x), tg(x), lg(x)... LEAVE YOUR RESPONSES ON FORUMS Download
X-Ray Data Processing in Python FREE The X-Ray Data Processing package enables ad hoc wrangling of data from x-ray experiments. A collection of software based on this library is also available. Download
Power-Surface: Power-Series LSq-Fitting & Saw-File FREE Power-Surface offers linear/ quadratic/ higher-power least-square curve/ surface fitting for the given column-wise numeric data for a function z = f(x) or z = f(x,y) of one or two independent variable(s), so that the fitted function is of the form z = a + b.x + c.x2 +... or z = a + b.x + c.y +... Download