SIGN Function in Excel: Positive, Negative or Zero?
SIGN Function in Excel: Positive, Negative or Zero?
SIGN returns 1 for positive, −1 for negative and 0 for zero — neat for direction arrows and counting gains vs losses.
Read article →ISEVEN Function in Excel: Is the Number Even?
ISEVEN Function in Excel: Is the Number Even?
ISEVEN returns TRUE for even numbers; ISODD for odd ones. Decimals are truncated first.
Read article →Build a TDS Calculator in Excel (Section, Rate, Threshold and PAN Check)
Build a TDS Calculator in Excel (Section, Rate, Threshold and PAN Check)
A practical Excel TDS calculator: a rate table by section, threshold checks with SUMIFS, higher rate when PAN is missing, and a monthly summary…
Read article →XOR Function in Excel: Exactly One Condition True
XOR Function in Excel: Exactly One Condition True
XOR returns TRUE when an odd number of conditions are TRUE — with two conditions, “one or the other but not both”.
Read article →Goal Seek and Data Tables: What-If Analysis in Excel
Goal Seek and Data Tables: What-If Analysis in Excel
Answer “what do we need to hit the target?” with Goal Seek, and see many scenarios at once with one- and two-variable Data Tables…
Read article →FORMULATEXT Function in Excel: Show a Formula as Text
FORMULATEXT Function in Excel: Show a Formula as Text
FORMULATEXT displays the formula of another cell — perfect for documenting models and training sheets.
Read article →Read and Write Excel Files in Java with Apache POI
Read and Write Excel Files in Java with Apache POI
A beginner-friendly guide to reading and writing .xlsx files in Java using Apache POI — with complete, working examples and common pitfalls.
Read article →IRR Function in Excel: Return of Regular (Periodic) Cash Flows
IRR Function in Excel: Return of Regular (Periodic) Cash Flows
IRR returns the rate at which the NPV of regular, equally spaced cash flows is zero. For irregular dates use XIRR.
Read article →RATE Function in Excel: The Interest Rate Hidden in a Loan
RATE Function in Excel: The Interest Rate Hidden in a Loan
RATE works out the interest rate from the loan amount, EMI and term — useful for checking “0% EMI” and flat-rate offers.
Read article →Notepad++ Tricks for Cleaning Data Before Excel
Notepad++ Tricks for Cleaning Data Before Excel
Column mode editing, regex find and replace, removing blank lines and comparing files — Notepad++ tricks that clean messy exports before they reach Excel.
Read article →PV Function in Excel: What a Future Amount Is Worth Today
PV Function in Excel: What a Future Amount Is Worth Today
PV returns today's value of future payments at a discount rate — how much loan an EMI can support, or what an annuity is…
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