GeoGebra Scientific Calculator vs Or Simplex Step

Replace your traditional calculator with this easy to use app. You may even use it in tests with our special exam mode which turns your phone or tablet into a handheld calculator. Millions of people around the world use GeoGebra to learn math and science. Join us! The GeoGebra Scientific Calculator includes: • Computations with fractions • Trigonometric functions: sin, cos, tan • Statistics functions • Exponential functions and logarithms 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