Hafseenat's TECH hub

04/04/2026

✦ Ctrl + K → Insert or edit a hyperlink 🔗
✦ Ctrl + C → Copy
✦ Ctrl + X → Cut
✦ Ctrl + V → Paste
✦ Ctrl + Z → Undo last action
✦ Ctrl + Y → Redo last undone action
✦ Ctrl + D → Fill down
✦ Ctrl + R → Fill right
✦ Ctrl + T → Convert range to Excel Table
✦ Ctrl + Home → Jump to cell A1
✦ Ctrl + End → Go to last used cell
✦ Ctrl + Arrow Keys → Jump to data edges
✦ Ctrl + Shift + Arrow Keys → Select entire data block
✦ Ctrl + ; → Insert today’s date
✦ Ctrl + Shift + : → Insert current time
✦ Ctrl + 1 → Open Format Cells dialog
✦ Ctrl + Shift + L → Toggle Filters ON / OFF
✦ Ctrl + A → Select entire worksheet
✦ Ctrl + Space → Select entire column
✦ Shift + Space → Select entire row
✦ Ctrl + Page Down → Move to next worksheet
✦ Ctrl + Page Up → Move to previous worksheet
✦ Ctrl + F → Find
✦ Ctrl + H → Replace
✦ Alt + = → Auto-insert SUM
✦ Alt + Enter → New line inside a cell
✦ Alt + A + E → Text to Columns
✦ Alt + A + M → Remove duplicates
✦ F2 → Edit active cell
✦ Shift + F11 → Insert new worksheet

Some Alt Keys Symbols : ❤️

Temperature & Maths Symbols 🌡️

✦ Alt + 0176 → ° (Degree symbol)
✦ Alt + 248 → ° (Degree – alternate)
✦ °C → Degree Celsius
✦ Alt + 0176 + C → °C
✦ (Type Alt + 0176, then press C)
✦ °F → Degree Fahrenheit
✦ Alt + 0176 + F → °F

➕➖ Plus–Minus & Maths
✦ Alt + 0177 → ± (Plus–Minus) ⭐ VERY IMPORTANT
✦ Alt + 0215 → × (Multiplication)
✦ Alt + 0247 → ÷ (Division)
✦ Alt + 0178 → ² (Square)
✦ Alt + 0179 → ³ (Cube)

📐 Angles & Measurement
✦ Alt + 8736 → ∠ (Angle)
✦ Alt + 0180 → ´ (Acute / Prime)
✦ Alt + 0175 → ¯ (Bar / Mean line)

📊 Fractions (Exam favourite)
✦ Alt + 0189 → ½
✦ Alt + 0188 → ¼
✦ Alt + 0190 → ¾

⚠️ Special / Reasoning Symbols
✦ Alt + 0167 → § (Section sign)
✦ Alt + 0182 → ¶ (Paragraph mark)
✦ Alt + 0134 → † (Dagger)
✦ Alt + 0136 → ‡ (Double dagger)

📝 Extra Tips : 💥👇🏻
✦ °C → No single Alt key (Use Alt + 0176 then C)
✦ ± → Alt + 0177 (Very frequently asked in exams)

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04/04/2026

🔹 Ctrl + Shift + ; – Insert current time ⏰
🔹 Ctrl + ; – Insert today’s date 📅
🔹 Ctrl + Enter – Fill selected cells with same value
🔹 Ctrl + D – Fill down
🔹 Ctrl + R – Fill right
🔹 Ctrl + T – Convert range to Excel Table
🔹 Ctrl + Shift + L – Toggle Filters ON / OFF
🔹 Ctrl + A – Select entire worksheet
🔹 Ctrl + Space – Select entire column
🔹 Shift + Space – Select entire row
🔹 Ctrl + Page Down – Move to next worksheet
🔹 Ctrl + Page Up – Move to previous worksheet
🔹 Ctrl + Home – Jump to cell A1
🔹 Ctrl + End – Go to last used cell
🔹 Ctrl + Arrow Keys – Jump to data edges
🔹 Ctrl + Shift + Arrow Keys – Select entire data block
🔹 Ctrl + 1 – Open Format Cells dialog
🔹 Ctrl + F – Find
🔹 Ctrl + H – Replace
🔹 Ctrl + Z – Undo last action
🔹 Ctrl + Y – Redo last undone action
🔹 Alt + = – Auto-insert SUM
🔹 Alt + Enter – New line inside a cell
🔹 Alt + A + E – Text to Columns
🔹 Alt + A + M – Remove duplicates
🔹 Alt + H + O + I – Auto-fit column width
🔹 Alt + W + F + F – Freeze / Unfreeze panes
🔹 F2 – Edit active cell
🔹 F4 – Repeat last action / lock references
🔹 Shift + F11 – Insert new worksheet

✨ Quick Tip:
Use Ctrl + Shift + ; when logging timestamps — it inserts a static time that won’t change later.

13/02/2026

Working in shadows, creating in quiet 🌃💡🎨

31/01/2026

30/01/2026

TECH Hub

30/01/2026

File Explorer Shortcuts

📌Ctrl+Shift+N – Create new folder
📌F2 – Rename file or folder
📌Alt+Enter – File properties
📌Alt+UpArrow – Go up one folder
📌Alt+LeftArrow – Go back
📌Alt+RightArrow – Go forward
📌Ctrl+L – Select address bar
📌Ctrl+N – New File Explorer window
📌Ctrl+W – Close File Explorer
📌Shift+Delete – Permanent delete
📌Ctrl+MouseScroll – Zoom icons
📌Ctrl+E – Search files
📌F3 – Search in Explorer
📌Ctrl+Shift+E – Expand folder tree
📌F5 – Refresh Explore

's TECH Hub

30/01/2026

🛡️ KADA KA YI AMFANI DA PASSWORD GUDA DAYA!

​Hanyar da mafi yawancin mutane ake bi ana musu kutse (hacking) a social media ko banki ita ce amfani da Password guda daya a kowane wuri.
​Me yasa hakan ke da hadari?
Idan aka yi nasarar gano password din account dinka guda daya (misali wani tsohon website da ka taba budewa), hakers za su gwada wannan password din a Facebook, Instagram, Gmail, da ma App din bankinka.

​YADDA ZAKA KARE KANKA
​Bambance su: Tabbatar Facebook daban, Gmail daban, Banki daban.

Strong (Karfii): Yi amfani da hadakar haruffa (A), kananan haruffa (a), lambobi (1), da alamomi (@ #$).

​Password Manager: Idan kana mantuwa, yi amfani da Google Password Manager ko LastPass domin adana su cikin sirri.
​
Amb Ahmad Kurami

​

30/01/2026

what is risk of AI
A) Faster work
B) Job automation
C) Better healthcare
D) Smart assistant

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