📘 Marks Entry · Smart Keypad
🔢 Fast 4‑digit
🎯 Roll No
🔍 Student Name
📇 Last 4 digits (e.g., 1001 → 251001)
🔢 Enter 2 or 4 last digits
👤 Type student name (≥3 letters)
📝 Enter Marks
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✅ Next / Submit Marks
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