# Monthly Archives: April 2014

## 3D VLOOKUP – Perform VLOOKUP from more than one table

Pls have your 3D glasses ready… only if you are going to watch a 3D movie.  You don’t need it for a 3D VLOOKUP. We talked about how to do a 2D VLOOKUP by using MATCH together with VLOOKUP.  With that … Continue reading

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Posted in Formula | Tagged , , , | 3 Comments

## Time Conversion (2)

How to convert 24hr input as 4-digit number into TIME in Excel? i.e. turn 500 into 05:00 correctly in Excel. Answer: =TEXT(Your 4-digit number,”00\:00″)+0 ‘Format the result as TIME

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Posted in Excel Tips, Formula | Tagged , | 6 Comments

## Convert an 8-digit number into Excel-recognizable Date

Have you ever encountered a situation that date is input as 8-digit number instead of the correct date value in Excel? You cannot perform any proper date related calculation / functions to the 8-digit number in Excel because it is … Continue reading

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Posted in Excel Tips, Formula | Tagged , | 25 Comments

## Calculate number of a specific day between two dates

Answer: =SUMPRODUCT(–(TEXT(ROW(INDIRECT(B1&”:”&B2)),”DDDD”)=”Sunday”)) ‘where B1 is start date; B2 is end date. Excuse me? What it says?

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Posted in Excel Tips, Formula | Tagged , , , | 16 Comments

## SUM across different worksheets (aka 3D SUM)

Did you ever make a formula like the one below?  After reading this post, I hope you will never make a formula in this way again.

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Posted in Excel Tips, Formula | Tagged | 9 Comments

## How to get rid of the error message?

Did you know… there are 7 (+1 if you consider #### an error) types of error message in Excel?  In my experience, most users do not care about the meaning of the errors.  They just want them “disappear” on their … Continue reading

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Posted in Excel Tips, Formula | Tagged , | 2 Comments

## When unhide row doesn’t work…

This above video was made just recently.  You may read this post to understand more.  Note: Please turn on CC for English subtitles. Hidden rows cannot be unhidden? Why? Although today is April Fools’ Day and the question sounds like … Continue reading

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Posted in Excel Basic, Excel Tips | Tagged , , | 164 Comments