Or Simplex Step-by-Step Solver
9.2 71
v13.3.1 by Simplex Developers
About OR Simplex Solver
OR Simplex Solver (Package Name: com.simplex) is developed by Simplex Developers and the latest version of Or Simplex Step-by-Step Solver 13.3.1 was updated on October 3, 2026. Or Simplex Step-by-Step Solver is in the category of Education. You can check all apps from the developer of Or Simplex Step-by-Step Solver and find 160 alternative apps to Or Simplex Step-by-Step Solver on Android. Currently this app is for free. This app can be downloaded on Android 6.0+ on APKFab or Google Play. All APK/XAPK files on APKFab.com are original and 100% safe with fast download.
📘 OR Simplex Step-by-Step — the most complete Operations Research solver on Android. Built and validated with professors at Kyiv Polytechnic University, used by thousands of students worldwide.
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🧮 EVERY METHOD YOU NEED
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🔢 Simplex Method — classical, Two-Phase, and Big-M
🎯 Integer programming — Branch & Bound
📈 2D graphical method — feasible region, objective line, optimum
🧊 NEW: 3D polytope visualization for 3-variable LP — rotate and explore the feasible region
🔍 Sensitivity & Post-Optimal Analysis — ranges, shadow prices, RHS intervals
🚛 Transportation Problem — North-West Corner, Least-Cost, Vogel's Approximation (VAM)
🔄 MODI / U-V Method — optimality test and refinement
✅ Assignment Problem — Hungarian Algorithm
⏱️ Job Sequencing — 2, 3, and N-machine using Johnson's Algorithm
━━━━━━━━━━━━━━━━━━━━━━━━━
⭐ WHY STUDENTS CHOOSE IT
━━━━━━━━━━━━━━━━━━━━━━━━━
📝 Step-by-step explanations — every iteration commented in plain language
➗ Exact fraction arithmetic — no rounding errors, ever
⌨️ Dedicated math keyboard — built for fractions, signs, and decimals
📂 Problem history — save, reopen, and edit past problems
🌍 8 languages — English, Español, Français, Português, Русский, Українська, العربية, فارسی
⛔ 100% offline — no account, no internet, no tracking of your work
━━━━━━━━━━━━━━━━━━━━━━━━━
🧮 EVERY METHOD YOU NEED
━━━━━━━━━━━━━━━━━━━━━━━━━
🔢 Simplex Method — classical, Two-Phase, and Big-M
🎯 Integer programming — Branch & Bound
📈 2D graphical method — feasible region, objective line, optimum
🧊 NEW: 3D polytope visualization for 3-variable LP — rotate and explore the feasible region
🔍 Sensitivity & Post-Optimal Analysis — ranges, shadow prices, RHS intervals
🚛 Transportation Problem — North-West Corner, Least-Cost, Vogel's Approximation (VAM)
🔄 MODI / U-V Method — optimality test and refinement
✅ Assignment Problem — Hungarian Algorithm
⏱️ Job Sequencing — 2, 3, and N-machine using Johnson's Algorithm
━━━━━━━━━━━━━━━━━━━━━━━━━
⭐ WHY STUDENTS CHOOSE IT
━━━━━━━━━━━━━━━━━━━━━━━━━
📝 Step-by-step explanations — every iteration commented in plain language
➗ Exact fraction arithmetic — no rounding errors, ever
⌨️ Dedicated math keyboard — built for fractions, signs, and decimals
📂 Problem history — save, reopen, and edit past problems
🌍 8 languages — English, Español, Français, Português, Русский, Українська, العربية, فارسی
⛔ 100% offline — no account, no internet, no tracking of your work
Read More
OR Simplex Solver Features
Related Videos
Previous Versions
More
Variant
Arch
Version
DPI
133
October 3, 2026
Or Simplex Step-by-Step Solver
13.3.1
(133)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 3a2985d6c5227b7e016033c16c62fb160bb53ad6
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 9.16 MB
arm64-v8a
Android 6.0+
160-640dpi
133
October 3, 2026
Or Simplex Step-by-Step Solver
13.3.1
(133)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: e67602bd86073839fd89cbd8f190d619ce898c90
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 14.05 MB
armeabi-v7a
Android 10.0+
160-640dpi
Variant
Arch
Version
DPI
132
September 26, 2026
Or Simplex Step-by-Step Solver
13.3.0
(132)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 2e1abdfb31dddc2f98e9a34fe643ce8fa943b501
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 9.18 MB
arm64-v8a
Android 6.0+
160-640dpi
132
September 26, 2026
Or Simplex Step-by-Step Solver
13.3.0
(132)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 516dd25d84b2b8c3624f11a50c8310d7d0a8301f
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 14.05 MB
armeabi-v7a
Android 10.0+
160-640dpi
Variant
Arch
Version
DPI
131
September 1, 2026
Or Simplex Step-by-Step Solver
13.2.1
(131)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 518eac3e4601f55b22a155f92828a97e1ab04978
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 8.98 MB
arm64-v8a
Android 6.0+
160-640dpi
131
September 1, 2026
Or Simplex Step-by-Step Solver
13.2.1
(131)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 36bedf68751b35a36b77ffd04083aee571c8ce28
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 13.92 MB
armeabi-v7a
Android 10.0+
160-640dpi
Variant
Arch
Version
DPI
130
May 24, 2026
Or Simplex Step-by-Step Solver
13.1.2
(130)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: bb2d558ed13addd944e8600dcc0e429d60423acd
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 9.04 MB
arm64-v8a
Android 6.0+
160-640dpi
130
May 24, 2026
Or Simplex Step-by-Step Solver
13.1.2
(130)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: a4b4e11887fe84ff633b225c527cab0de6777378
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 14.01 MB
armeabi-v7a
Android 10.0+
160-640dpi
More Information
Package Name:
Update Date:
2026-10-03
Latest Version:
13.3.1
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
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