FindGraph is comprehensive, feature-rich graph editor, as well as a curve fitting and digitizing tool for engineers, scientists and graduate students. Convert plots back to X,Y data from any published report for later processing and manipulations. The program offers 10 generic fits, including Linear Regression, Logistic Functions, Fourier approximation, Neural Networks, plus a library of over 120 industry-specific formulas.
FNGraph
Graphing and analyzing mathematical functions. Contains tools for function evaluation, analysis and integration. The result can be copied to the clipboard as a picture or printed directly from the application.
Scientific Calculator Decimal
Scientific Calculator Decimal for scientists, engineers, teachers, and students. Symbols can be entered by clicking buttons and/or using keyboard and num pad. Calculation history can be stored into text file and printed.
UnitStar
Award-winning unit conversion program. Hundreds of units are included, along with detailed descriptions giving the history and definitions of units. Features include conversion tables, adjustable number of decimal places, and conversion formulas.
CalcGeek
CalcGeek is a full functional calculator which is capable of understanding expressions like "3.45 * 10^6 / ( 3sin( Pi + 0.192) * 16.2^2 )".
Fraction Tiles
Middle-School (grades 5 through 9) math program written to provide skills in context. Students are shown eight fraction representations and must choose three that add up to a given sum. Fractions are halves, fourths, and eighths.