Or Simplex Step-by-Step Solver
9.2 71
v13.1.2 by Simplex Developers
About OR Commented
OR Commented (Package Name: com.simplex) is developed by Simplex Developers and the latest version of Or Simplex Step-by-Step Solver 13.1.2 was updated on May 24, 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.
━━━━━━━━━━━━━━━━━━━━━━━━━
🧮 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
━━━━━━━━━━━━━━━━━━━━━━━━━
🧮 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 Commented Features
Related Videos
Previous Versions
More
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
Variant
Arch
Version
DPI
129
May 20, 2026
Or Simplex Step-by-Step Solver
13.1.0
(129)
Requires Android: Android 10.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: bfe1bc977827a57265bebf6fef69f7d0d4c32eea
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 14.01 MB
armeabi-v7a
Android 10.0+
160-640dpi
129
May 21, 2026
Or Simplex Step-by-Step Solver
13.1.0
(129)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 843f885ef314bca70a16d5c9c33e597236ed30f2
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 9.06 MB
arm64-v8a
Android 6.0+
160-640dpi
Variant
Arch
Version
DPI
127
December 25, 2025
Or Simplex Step-by-Step Solver
12.6.7
(127)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: aeb49bff4fc96071c1dcceb562b232a4b0bf2456
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 19.3 MB
armeabi-v7a
Android 6.0+
160-640dpi
127
December 25, 2025
Or Simplex Step-by-Step Solver
12.6.7
(127)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: c271b3d35f4bd878976d56c23b87cfea081d93d9
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 10.54 MB
arm64-v8a
Android 6.0+
160-640dpi
127
December 30, 2025
Or Simplex Step-by-Step Solver
12.6.7
(127)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 953dd73620bc1f67571b9c72f44d7d0ef5721b08
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 10.56 MB
arm64-v8a
Android 6.0+
160-640dpi
127
January 6, 2026
Or Simplex Step-by-Step Solver
12.6.7
(127)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 3b7e9621551d7daec8ba9fdbd23c3dfd37feab49
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xxhdpi
Size: 10.56 MB
arm64-v8a
Android 6.0+
160-640dpi
Variant
Arch
Version
DPI
125
October 5, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: b464469959ae110dd32b51a1edc989c474ede561
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 18.92 MB
armeabi-v7a
Android 6.0+
160-640dpi
125
October 8, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: 096660d939747021bb3ef5d06e04bdf4e38baf85
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xhdpi
Size: 10.4 MB
arm64-v8a
Android 6.0+
160-640dpi
125
October 14, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: cc446980e366a97600b594abbe0b2abc479b6c2b
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xxhdpi
Size: 10.41 MB
arm64-v8a
Android 6.0+
160-640dpi
125
October 18, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: 98814daac171f1bab8099cff52ed9d70cc4b913c
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.xhdpi
Size: 10.4 MB
armeabi-v7a
Android 6.0+
160-640dpi
125
October 20, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: arm64-v8a
Screen DPI: 160-640dpi
SHA1: c959a6eb02a318997f65f42e1c2e5d5f50b615e7
Base APK: com.simplex.apk
Split APKs: config.arm64_v8a, config.xxxhdpi
Size: 10.42 MB
arm64-v8a
Android 6.0+
160-640dpi
125
November 27, 2025
Or Simplex Step-by-Step Solver
12.6.5
(125)
Requires Android: Android 6.0+
Architecture: armeabi-v7a
Screen DPI: 160-640dpi
SHA1: afd5a3ed423d3f77e44c42d86865eadb18cfd2a4
Base APK: com.simplex.apk
Split APKs: config.armeabi_v7a, config.mdpi
Size: 18.92 MB
armeabi-v7a
Android 6.0+
160-640dpi
More Information
Package Name:
Update Date:
2026-05-24
Latest Version:
13.1.2
Need Update:
Available on:
Requirements:
Android 6.0+
Report:
Safe to Download
APKFab.com and the download link of this app are 100% safe. All download links of apps listed on APKFab.com are from Google Play Store or submitted by users. For the app from Google Play Store, APKFab.com won't modify it in any way. For the app submitted by users, APKFab.com will verify its APK signature safety before release it on our website.