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EDUCATION

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Advanced Excel Shortcuts for Power Users
MICROSOFT EXCEL TIPS

ADVANCED EXCEL SHORTCUTS FOR POWER USERS

Advanced Excel Shortcuts Every Power User Should Know If you work daily with Excel reports, dashboards, financial models, ERP exports, or large datasets, learning advanced keyboard shortcuts can dramatically improve your speed and productivity. Instead of constantly navigating through menus and ribbons, professional Excel users rely on keyboard shortcuts to: work faster, navigate large datasets instantly, manage worksheets efficiently, automate repetitive tasks, and improve overall workflow accuracy. The infographic and tables above include a collection of reliable and practical Excel shortcuts that are widely supported across modern Excel versions. Reliable Advanced Excel Shortcuts Data Navigation & Selection These shortcuts help you move and select data quickly inside large spreadsheets: Ctrl + Shift + End → Select data to the last used cell Ctrl + Shift + Home → Select back to the beginning Ctrl + Shift + Right / Left / Up / Down → Select data ranges instantly Ctrl…

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MY PROJECTS

Gemini Prompting for CyanPulse Sales Console – Smart Sales Analytics Dashboard

CyanPulse Sales Console – Smart Sales Analytics Dashboard This dashboard was initially created through AI prompting and was later significantly improved through extensive additional prompting and development by Tryfon Papadopoulos. Core Logic Prompt 1 Dashboard: – Create a sales management dashboard. – Create a single index.html file that includes HTML, Tailwind CSS, and JavaScript, and build charts using Apache ECharts. Use only CDN resources. – Create a code.gs file to use in Google Apps Script. The function in code.gs should send data from the “sheetName” sheet in Google Sheets to index.html for rendering the dashboard. Critical requirement in the Data Flow: If the system cannot connect to Google Apps Script, it must use predefined mock data to run in development mode. If the connection to Google Apps Script is successful, it should load data from Google Sheets and wait 3 seconds before rendering the UI. 1. Data Retrieval: – Ensures…

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Dashboard
BUSINESS

CyanPulse Sales Console – Smart Sales Analytics Dashboard

CyanPulse Sales Console – Smart Sales Analytics Dashboard The CyanPulse Sales Console is a modern sales analytics dashboard designed to transform raw transactional data into clear business intelligence insights. Built with Google Apps Script, Tailwind CSS, and Apache ECharts, the dashboard provides a clean and interactive environment for monitoring sales performance, customer behavior, product strength, and operational trends in real time. The system combines: dynamic KPI monitoring, advanced filtering, interactive charts, customer segmentation, product performance analytics, and transactional audit tracking into a single unified workspace. Key Features ✔ Interactive revenue and quantity analytics✔ Product performance visualization✔ Customer segmentation and LTV analysis✔ Paginated customer and product performance tables✔ Dynamic Google Sheets integration✔ Responsive dark-mode UI inspired by modern BI platforms✔ Smart filtering by date, search terms, and order status✔ Real-time dashboard rendering with ECharts The dashboard was designed to simulate the experience of enterprise-level business intelligence platforms such as Power BI…

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Infographic dashboard for loan calculations showing loan amount, interest rate, term, balloon payment and a Compute button.
MICROSOFT EXCEL TIPS

Compute payment, interest, and loan balance after a specified payment – Excel

Problem & Solution A group of sellers considers financing the sale price of a property for 82000 euros at 7% annual interest, amortized over a 30-year term with a balloon payment due after five years. They want to know : 1. Amount of the monthly payment 2. Amount of interest they will receive 3. Remaining balance at the end of the term (balloon payment) YouTube Link : https://youtu.be/79GsHHsvvKY Filename: “C:\SystemF_SSD_Ext_3_2_2021\Documents\compute_payment_interest_and_loan_balance_after_a_specified_payment.xlsm” #mindstormGR #montly_payment #interest_paid #remaining_balance

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Infographic titled Excel Filters Made Simple showing Auto, Advanced, Slicer and Pivot filters with shortcuts and tips.
ALL

Excel Filters Made Simple – Complete Guide to Excel Filtering and Shortcuts

Excel Filters Made Simple – A Complete Guide to Excel Filters EN – Working with large datasets in Excel can quickly become difficult without the right tools. Excel filters help you organize, analyze, and manage data more efficiently by allowing you to display only the information you need. Whether you work with: sales reports, customer lists, inventory, accounting data, or business dashboards, filters can significantly improve your productivity and make data analysis much easier. OrderID Customer Department Product Region Salesperson Month Units Revenue Status 1001 TechNova Electronics Laptop North John Jan 12 24000 Completed 1002 SmartLine Electronics Monitor South Maria Jan 20 8000 Pending 1003 GreenFoods Food Coffee East Nick Feb 35 4200 Completed 1004 BlueWave Office Printer West Anna Feb 8 3600 Completed 1005 AlphaTech Electronics Keyboard North John Mar 50 2500 Pending 1006 FreshMarket Food Tea South Maria Mar 40 3200 Completed 1007 NextGen Electronics Mouse East Nick…

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Trifonas
ΕΠΙΚΟΙΝΩΝΙΑ

Η προκατάληψη της γραβάτας

Η προκατάληψη της γραβάτας Ερ. Τι είναι πάλι; Τι συμβαίνει; Απ. Τίποτα μωρέ. ‘Εχω λίγο τα νεύρα μου. — Ερ. Γιατί; Απ. Έκανα για άλλη μια φορά ένα κοινωνικό πείραμα που έχω κάνει και στο παρελθόν και δυστυχώς τα αποτελέσματα ήταν τα ίδια. — Ερ. Δηλαδή; Απ. Δηλαδή είπα τα ίδια πράγματα στο ίδιο περίπου κοινό σε διαφορετικές ημέρες με διαφορετικό ντύσιμο. Την μια ημέρα φορούσα αθλητικά ρούχα και ήμουν αξύριστος. Και την άλλη ημέρα, φορούσα κοστούμι και ήμουν ξυρισμένος. — Ερ. Και τι έγινε; Απ. Την μια ημέρα έλεγα βλακείες και δεν με πρόσεχε κανείς και την άλλη ημέρα τα έλεγα σωστά και με πρόσεχαν πολύ περισσότεροι.

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SUMIF
ALL

SUMIF & AutoFilter στο Excel

SUMIF & AutoFilter στο Excel Από τα Δεδομένα στη Σύνοψη – Γρήγορα και Έξυπνα Η σωστή ανάλυση δεδομένων στο Excel δεν απαιτεί περίπλοκες διαδικασίες.Με τον συνδυασμό AutoFilter και SUMIF, μπορείς να: Φιλτράρεις άμεσα τις πληροφορίες που σε ενδιαφέρουν Υπολογίζεις σύνολα βάσει συγκεκριμένου κριτηρίου Δημιουργείς γρήγορες και καθαρές αναφορές Βήμα 1: Οργάνωση & Φιλτράρισμα Δεδομένων Πριν ξεκινήσεις οποιονδήποτε υπολογισμό: 1️⃣ Τοποθέτησε τον δείκτη μέσα στον πίνακα δεδομένων.2️⃣ Πάτησε Ctrl + Shift + L.3️⃣ Εμφανίζονται φίλτρα στις επικεφαλίδες. Το AutoFilter σου επιτρέπει να: Προβάλλεις μόνο συγκεκριμένους πελάτες Φιλτράρεις ημερομηνίες Ελέγξεις ποσά πάνω ή κάτω από ένα όριο Είναι το πρώτο βήμα για έλεγχο και καθαρισμό δεδομένων. Βήμα 2: Σύνοψη με SUMIF Αφού οργανώσεις τα δεδομένα σου, χρησιμοποιείς τη SUMIF για να πάρεις συγκεντρωτικά αποτελέσματα. Σύνταξη: =SUMIF(range; criteria; sum_range) Παράδειγμα: =SUMIF($A$2:$A$11;D2;$B$2:$B$11) Το Excel: Ελέγχει ποια ονόματα στη στήλη A ταιριάζουν με το D2 Αθροίζει τα αντίστοιχα ποσά από τη στήλη B Επιστρέφει το…

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Export Emails from Gmail into Google Sheets
PRODUCTIVITY

How to Export Emails from Gmail to Google Sheets Using Apps Script

If you’ve ever wanted to organize your emails into a Google Sheet, automatically categorize and track conversations, or extract specific details from your inbox, you’re in the right place! Google Apps Script allows you to easily export emails from Gmail and organize them in Google Sheets without manually copying and pasting. In this post, we’ll walk you through creating a simple Gmail-to-Google Sheets integration using Google Apps Script. This will allow you to extract emails with a specific Gmail label, along with various details such as the sender, subject, date, and even the entire email body. Why Export Emails to Google Sheets? Managing emails can be tedious, especially if you’re dealing with hundreds of messages. Exporting emails into Google Sheets gives you the power to: Track specific conversations: Extract emails by labels such as “Work” or “Important.” Analyze email data: Identify patterns or trends in communication. Organize data for easy…

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Phrasal Verbs
ALL

Phrasal Verbs

Phrasal Verbs Look up – Research Give up – Surrender Take off – Remove Put off – Postpone Bring up – Mention Get along – Farewell Call off – Cancel Set up – Establish Turn down – Reject Run out – Exhaust Carry out – Execute Look after – Take care of Figure out – Solve Go on – Continue Give in – Yield Put up with – Tolerate Bring about – Cause Break down – Analyze Look for – Search Bring back – Restore

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People
ΣΚΕΨΕΙΣ

Όλοι έχουμε μέσα μας και το φως και το σκοτάδι

Ο κόσμος δεν χωρίζεται σε καλούς ανθρώπους και θανατοφάγους. Όλοι έχουμε μέσα μας και το φως και το σκοτάδι. Αυτό που έχει σημασία είναι τι επιλέγουμε και τι πράττουμε ως συνέπεια της επιλογής μας. Αυτό είναι που πραγματικά είμαστε.

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Truth - Eidomeni - Ειδομένη
ALL

Can we keep exploring, seeking, working, and trying to grasp more of what is happening around us

ΕΝ –  Can we keep exploring, seeking, working, and trying to grasp more of what is happening around us, just for the pleasure of being more truthful and wiser? 1. Yes 2. No 3. It is against our incomplete nature Location: Eidomeni / Ειδομένη, 28/11/2015 — GR – Μπορούμε να συνεχίσουμε να εξερευνούμε, να αναζητούμε, να εργαζόμαστε και να προσπαθούμε να κατανοήσουμε περισσότερο όσα συμβαίνουν γύρω μας, μόνο και μόνο για τη χαρά του να είμαστε αληθινοί και ίσως πιο σοφοί; Ναι Όχι Είναι αντίθετο με την ατελή φύση μας

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Acronyms
EDUCATION

Common Acronyms

Common Acronyms GST — Goods and Services Tax MRP — Maximum Retail Price OTP — One Time Password PAN — Permanent Account Number NEWS — North East West South SMS — Short Message Service ATM — Automated Teller Machine SIM — Subscriber Identity Module VIP — Very Important Person PDF — Portable Document Format WWW — World Wide Web TRP — Television Rating Point GPS — Global Positioning System CEO — Chief Executive Officer

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Jarvis AI Assistant Version 23
ARTIFICIAL INTELLIGENCE

Introducing Jarvis AI Assistant Version 23 — A Smart AI Chatbot Powered by Google Sheets & OpenAI

🚀 Introducing Jarvis AI Assistant — A Smart AI Chatbot Powered by Google Sheets & OpenAI I’m excited to share a new project I’ve been developing: Jarvis AI Assistant, a fully customizable AI-powered chatbot built with Google Apps Script, Google Sheets, and OpenAI. Click here to see it live: Jarvis AI Assistant Version 23 – Apps Script The goal of this project was simple: 👉 Create an intelligent business assistant that is: easy to manage, low cost, secure, fast, and fully customizable without complex infrastructure. Unlike traditional chatbot systems that require databases and expensive platforms, Jarvis uses the power of Google Sheets as a dynamic knowledge base, allowing anyone to manage AI content directly from a spreadsheet. 💡 Key Features: ✔ Secure Login System with hashed passwords✔ Role-based access control✔ AI-powered search using OpenAI✔ Greek & English language support✔ Smart keyword matching✔ Product recommendations✔ Image thumbnail support inside chat✔ Mobile-friendly…

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Maturity
ΣΚΕΨΕΙΣ

Signs of maturity

Signs of maturity: 1. Small talks no longer excite you 2. Sleep is better than a Friday night out. 3. You forgive more. 4. You become more open-minded. 5. You respect differences. 6. You don’t force love. 7. You accept heartaches. 8. You don’t judge easily. 9. You sometimes prefer to be silent than to engage in a nonsense fight. 10. Your happiness doesn’t depend on people but on your inner self.

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Dark webpage displaying a line chart of stock closing prices from 2015–2022 with a rising blue line, Greek/English titles, and a mindstorm.gr watermark.
ALL

Δημιουργία απλής εφαρμογής γραφήματος μετοχής (Google) για την περίοδο 30/4/2015 – 30/4/2022 με γλώσσα προγραμματισμού Python

Δημιουργία απλής εφαρμογής γραφήματος μετοχής (Google) για την περίοδο 30/4/2015 – 30/4/2022 με γλώσσα προγραμματισμού Python. Βιβλιοθήκες (libraries) : yfinance, streamlit, pandas Βήματα 1) Εγκατάσταση των βιβλιοθηκών με τις εντολές στο powershell (command prompt) : pip install yfinance pip install streamlit pip install pandas 2) Δημιουργία αρχείου simple_stock_price_app. py με Visual Studio Code ή κάποιο άλλο επεξεργαστή κειμένου με τον κώδικα που βλέπετε παρακάτω. # code starts here ——— # ========================================================== # REQUIREMENTS CHECK # ========================================================== import sys required_packages = {     “yfinance”: “yfinance”,     “streamlit”: “streamlit”,     “pandas”: “pandas” } missing_packages = [] for import_name, pip_name in required_packages.items():     try:         __import__(import_name)     except ImportError:         missing_packages.append(pip_name) if missing_packages:     print(“\nMissing required packages:”)     for pkg in missing_packages:         print(f” – {pkg}”)     print(“\nInstall them with:\n”)     print(f”pip install…

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