1)   Advanced Grapher 2.11
Graphing, curve fitting and calculating software. Graphs Cartesian, polar and parametric functions, graphs of tables, implicit functions and inequalities. Calculus features: regression analysis, derivatives, tangents, normals and more.
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 2)   ZGrapher 1.4
This graphing calculator can plot y(x), x(y), polar, parametric and table-defined functions. Calculus features include obtaining derivatives, equations of tangents and normals, numerical integration, regression analysis.
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 3)   DeadLine 2.17
DeadLine solves equations graphically and numerically. The freeware finds the real roots of an equation, evaluates functions and the first two derivatives extremely fast and accurately, finds extrema of the function.
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 4)   MultyGraphiX 1.0
MultyGraphix designed to plot any mathematical 2D and 3D, explicit and parametric functions. It's allow to plot function in the Cartesian, polar, cylindrical and spherical systems of coordinates. It's useful for educators, and students.
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 5)   STFMath 2.1
Draw Cartesian, Parametric and Polar functions, special functions or Integral (with Average preview), analyze functions, calculate and draw integral, derivative, average, evaluate any function. Use complex and geometry calculator.
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 6)   FuturesTrac 2.0
FUTURESTRAC takes the challenge out of tracking the different trading times, schedules, and contract months of the most actively traded U.S. futures and futures option markets using an easy to understand visual format and intuitive program design.
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 7)   ZigZag 1.1
ZigZag is a handy tool to plot and explore math functions. It can plot Cartesian (Y(x) and X(y)), polar, parametric and also table-defined graphs
graphing calculator, plot, graph, function, derivative, integral, tangent, normal, regression analysis, trend,

 8)   Stock-Trac 1.1
STOCK-TRAC takes the challenge out of tracking the different trading times, schedules, and option expiration information of the primary U.S. stock and stock option exchanges using an easy to understand visual format and intuitive program design.
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 9)   FlatGraph 1.10b2
Plotting functions (usual and parametric) with more possibilities. Differentiation of any order (with simplification). Construction of tangents to the graph. The simple and clear interface with detailed documentation and examples of work.
FlatGraph, graph, function, plot, expression, research, analysis, tangent, differentiation, derivative,

 10)   SplineCalc 4.3.2
SplineCalc is multipurpose scientific calculator for implementation of various mathematical operations with maps (grids), data tables, lines, polygons (including multiply connected) and numbers. It can be useful for hard scientist or Surfer users.
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