RPN calculator emulation and much more, it includes wide-ranging basic, financial, math/science/engineering, and logic operations, accessible via 4 different screens. Operations range thru basic arithmetic; loan/savings and other finance; algebra, trig, analytic geometry, calculus; Boolean arithmetic in 3 number systems. Program uses multiple PC hardware/software resources and can expand indefinitely via add-on dynamic link libraries (DLLs).
Prime Derivatives
Enter any number up to twenty digits, and click the button. The result will be a string of unique prime numbers that can evenly be divided into the number that was entered.
AcaStat Suite
Create crosstabulations, descriptive statistics, and run basic significance tests. A low-cost alternative for producing basic summary statistics at school or work. Designed to help students learn and apply practical analytical skills.
Calc 3D
Calc3D is a calculator for vectors, matrices, complex numbers, quaternions and coordinates. For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated. (5 languages)
Linear Systems Beams
Middle-School (grades 5 through 9) math program written to provide skills in context. Students manipulate weights on two balance beams to solve two simultaneous equations.
Integer Balance Beam Puzzles
Middle-School (grades 5 through 9) math program written to provide skills in context. Students balance a beam by using positive and negative weights.