AnalyticMath 1.1.2 (by P.W. Hunter)
Free math / graphing program - an excellent tool for function visualization.

Math Mechanixs 1.1.0.1 (by Math Mechanixs, LLC.)
Math Mechanixs a scientific and engineering math program and graphing tool.

MathCalc 2.1 (by YPS software)
MathCalc is handy mathematical calculator and 2D graph plotter.

LeoCalculator 2.5 (by LeoKrut)
LeoCalculator performs calculation of mathematical expressions.

FNGraph 2.61 (by Alexander Minza)
Graphing and analyzing mathematical functions

DreamCalc 3 Scientific Calculator 3.3.2 (by Big Angry Dog)
DreamCalc 3 - Scientific Graphing Calculator (Standard Edition)

DreamCalc Graphing Calculator 3.5.1 (by Big Angry Dog Ltd)
DreamCalc Scientific Graphing Calculator (Graphing Edition)

ExpCal 1.0.2 (by edu-soft-discount)
ExpCal is a useful math tool for school teachers, students and engineers.

Active Calculator Component 2.0.2004.1 (by Guangming Software)
evaluate expression easily

RF21 0.91 (by Christoph Hohmann)
Graphing calculator supporting user functions and Monte Carlo simulations

Animated Money 1.0 (by Flix Productions)
Teaches coin recognition and math skills using US and Canadian coins.

Animated Arithmetic 1.0 (by Flix Productions)
Teaches addition, subtraction, multiplication and division for 1st - 4th grades.

Animated Math 1.0 (by Flix Productions)
Teaches counting, addition and subtraction with animated rewards.

DB Calc for Windows 3.0 (by Dirk Billand)
Scientific calculator and function plotter for engineers

Count Me! 2.0 (by TeachStyle)
Tutorial. Addition&subtraction,sum,tens,length's units,figures,control tasks.