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KNOWLEDGE HUB
All The Tips In One Place. Stay up-to-date!


How Does a Money Converter Work and Are the Rates Live (HTML version provided)
A money converter looks simple: enter 100, choose euros to pounds, and get an answer. Behind that small result is a short chain of checks, a daily exchange rate source, and one basic calculation. The key point is this: most free web converters do not show live trading prices that move every second. They usually show daily reference rates, which are accurate for many everyday uses but not the same as a bank’s live dealing price. A converter starts with an amount, a currency pa

MirVel
6 days ago5 min read


Power BI DirectQuery: Usage, Performance and Best Practices
Learn when to use Power BI DirectQuery, how to improve report performance, and which modeling, DAX, source-design, and visual mistakes to avoid.

MirVel
Jul 97 min read


Build a Live European Weather Forecast in Excel (+ Power BI) with Open-Meteo (part 2)
Connect Excel to the Open-Meteo API and build a refreshable seven-day European weather forecast with reusable Power Query M code, governance controls, KPI cards, and charts.

MirVel
Jul 72 min read


Build a Live European Weather Forecast in Excel with Open-Meteo (part 1)
Connect Excel to the Open-Meteo API and build a refreshable seven-day European weather forecast with reusable Power Query M code, governance controls, KPI cards, and charts.

MirVel
Jun 234 min read


One Macro, One Full Excel Expenses Dashboard (with Claude AI)
Most expense reports start as a flat table — and stay that way. With a single VBA macro, you can turn that raw Data sheet into a polished, interactive dashboard, with no manual chart-building required. The macro does the heavy lifting. It formats your table, builds seven PivotTables, lays out six KPI cards (total spend, budget, approval rate and more), draws five charts, and wires up Month and Department slicers so everything filters together. A live status bar shows each ste

MirVel
Jun 81 min read


7 Underrated Excel Functions You're Probably Not Using (But Should)
This guide covers 7 underrated Excel functions that most people overlook. Each one solves a real problem, saves time, and works right now in Excel 365. With practical examples and formulas you can copy, you will walk away with new tools to add to your daily workflow.

MirVel
May 206 min read
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