GeoGebra 3D Calculator vs Or Simplex Step

Easily solve 3D math problems, graph 3D functions and surfaces, create geometric constructions in 3D, save and share your results. With Augmented Reality enabled, you can place math objects on any surface and walk around them! Millions of people around the world use GeoGebra to learn mathematics and science. Join us: Dynamic Mathematics for everyone! • Plot f(x,y) functions and parametric surfaces • Create solids, spheres, planes and many more 3D objects • Get intersection points and cross-sections • Experience sliders, points, graphs and geometry all working together • Search for free learning activities directly from our app • Save and share your results with friends and teachers We’d love to hear from you: send us your questions or feedback via Twitter @geogebra or via https://help.geogebra.org

OR Simplex Step-by-Step is a comprehensive Operations Research solver for students. Built and validated with professors at Kyiv Polytechnic University, it is used by students worldwide. EVERY METHOD YOU NEED - Simplex method: classical, Two-Phase, and Big-M - Integer programming: Branch and Bound - 2D graphical method: feasible region, objective line, and optimum - 3D polytope visualization for 3-variable linear programming: rotate and explore the feasible region - Sensitivity and post-optimal analysis: ranges, shadow prices, and RHS intervals - Transportation problem: North-West Corner, Least-Cost, and Vogel's Approximation (VAM) - MODI / U-V method: optimality test and refinement - Assignment problem: Hungarian algorithm - Job sequencing: 2, 3, and N machines using Johnson's algorithm WHY STUDENTS CHOOSE IT - Step-by-step explanations with every iteration described in plain language - Exact fraction arithmetic to avoid rounding errors - Dedicated math keyboard for fractions, signs, and decimals - Problem history to save, reopen, and edit past problems - 8 languages: English, Spanish, French, Portuguese, Russian, Ukrainian, Arabic, and Persian - No account required