It's extreme graphing. A graphing calculator with 3D.
Free version also available.
2D: Functions, Parametric Relations, Polar graphs
-Algebra: Zero, Max/Min, Intersect
-Calculus: Derivatives, Tangent lines, Integrals
3D: Functions, Parametric Surfaces
-Lighting, augmented reality mode
-Live calculation: evaluate expressions as you type
-Complex (imaginary) numbers (a+bi or polar)
-Probability distribution functions (PDF)
-Physical and chemical constants
-Copy and swap
-Statistics (mean, deviation, etc.)
-sto() function may be used for infinite series/mathematical induction, Newton's Method, etc.
-When tracing functions with fractional powers, tangent line is reversed for negative x-values.
-Odd-numbered roots with real solutions are evaluated as a real number (e.g.: (-8)^(1/3) = -2), unlike other calculators, and computer algebra systems such as Wolfram.
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