Regular Expressions (Regex) for Office Users: 10 Patterns You Will Reuse
Learn regex step by step with ten practical patterns — emails, phone numbers, PAN, dates, invoice numbers — usable in Notepad++, VBA, Python, SQL…
Read article →Back Up Your Phone Photos Properly (the 3-2-1 Way)
Back Up Your Phone Photos Properly (the 3-2-1 Way)
A simple, reliable way to protect years of phone photos: cloud backup, a local copy and a second place — the 3-2-1 rule explained…
Read article →FV Function in Excel: Future Value of Savings or SIPs
FV Function in Excel: Future Value of Savings or SIPs
FV returns what regular investments (like a SIP or RD) grow to at a fixed rate.
Read article →FORECAST.LINEAR Function in Excel: Predict a Value From a Trend
FORECAST.LINEAR Function in Excel: Predict a Value From a Trend
FORECAST.LINEAR predicts a y-value for a given x using a straight-line trend fitted to past data.
Read article →Power Pivot and DAX: Your First Data Model and Measures
Power Pivot and DAX: Your First Data Model and Measures
Relate tables without VLOOKUP using Power Pivot, then write your first DAX measures — SUM, CALCULATE, DIVIDE and year-over-year — to build pivot reports…
Read article →CORREL Function in Excel: How Strongly Two Things Move Together
CORREL Function in Excel: How Strongly Two Things Move Together
CORREL returns a number between −1 and 1: near 1 means both rise together, near −1 means one falls as the other rises, near…
Read article →PERCENTILE.INC Function in Excel: Value at a Percentile (e.g. 90th)
PERCENTILE.INC Function in Excel: Value at a Percentile (e.g. 90th)
PERCENTILE.INC returns the value below which a given percentage of data falls — for salary bands, delivery-time targets and outliers.
Read article →STDEV.S Function in Excel: How Spread Out Are the Numbers?
STDEV.S Function in Excel: How Spread Out Are the Numbers?
STDEV.S measures how far values typically sit from the average (sample standard deviation). A small value means consistent; a large one means volatile.
Read article →POWER Function in Excel: Raise to a Power (and Growth Rates)
POWER Function in Excel: Raise to a Power (and Growth Rates)
POWER raises a number to a power; the ^ operator does the same. Its most useful business job is CAGR.
Read article →FLOOR.MATH Function in Excel: Round Down to a Multiple
FLOOR.MATH Function in Excel: Round Down to a Multiple
FLOOR.MATH rounds down to the nearest multiple — slabs, time buckets and whole units.
Read article →CEILING.MATH Function in Excel: Round Up to a Multiple
CEILING.MATH Function in Excel: Round Up to a Multiple
CEILING.MATH rounds up to the next multiple; FLOOR.MATH rounds down. Great for pricing and pack sizes.
Read article →TRUNC Function in Excel: Cut Off Decimals Without Rounding
TRUNC Function in Excel: Cut Off Decimals Without Rounding
TRUNC drops digits after a given point, moving towards zero. Unlike INT, TRUNC(−8.9) is −8.
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