This week many Excel bloggers are celebrating VLOOKUP week. So I wanted to chip in and give you a comprehensive guide to VLOOKUP & Other lookup formulas. Read on …,
What is VLOOKUP Formula & how to use it?
I tell my excel school students that learning VLOOKUP formulas will change your basic approach towards data. You will suddenly feel that you have discovered a superman cape in your attic. It is that awesome.
What does VLOOKUP really do?
Imagine you have a list of data and you want answer a question like, “How many sales did Jimmy make?”
VLOOKUP is one of the formulas you can use in this situation. VLOOKUP searches a list for a value in left most column and returns corresponding value from adjacent columns.
Read more – What is VLOOKUP formula and how to use it?
Introduction to VLOOKUP, MATCH & OFFSET formulas
VLOOKUP may not make you tall, rich and famous, but learning it can certainly give you wings. It makes you to connect two different tabular lists and saves a ton of time. In my opinion understanding VLOOKUP, OFFSET and MATCH worksheet formulas can transform you from normal excel user to a data processing beast.
Read more – VLOOKUP, MATCH & OFFSET explained in plain English
How to do wildcard searches with VLOOKUP?
Often we need our lookup formulas to go wild. Not in the sense of go-wild-and-chomp-a-few-kilo-bytes-of-data sense. But wild like wild cards. For eg. In the below data, we may not remember the full name of sales person, but we know that her name starts with jac. Now how do you get the sales amount for that person?
You can use wildcard characters * and ? with VLOOKUP & several other Excel formulas.
Read more – Using wildcards with VLOOKUP formulas
Making VLOOKUPS dynamic with data validation
Sometimes we don’t know what we want. If this happens when I am in a bar, I usually order a cocktail. Just a mix of everything. The same will work in Excel too.
For eg. If you have lots of data, but the value you want to look up needs to change based on whims and fancies of your users, then you can resort to a cocktail. A mix of VLOOKUP with Drop down lists (Data validation).
Read more – Use data validation with VLOOKUP to lookup anything you want
How to lookup values to the left?
There is no argument that VLOOKUP is a beautiful & useful formula. But it suffers from one nagging limitation. It cannot go left.
Let me explain, Imagine you have data like below. Now, if you want to find-out who is the sales person who made $2,133 in sales, there is no way VLOOKUP can come to rescue. This is because, once you search a list using VLOOKUP, you can only return corresponding items from the column at right, not at left.
Read more – How to use INDEX + MATCH combination to fetch values from left
How to lookup based on multiple conditions?
Not always we want to lookup values based on one search parameter. For eg. Imagine you have data like below and you want to find how much sales Joseph made in January 2007 in North region for product “Fast car”? Read more to find how to solve this.
Read more – How to lookup based on multiple conditions?
How to get values from multiple columns with VLOOKUP?
VLOOKUP is great for extracting information from a huge data table based on what you are looking for. But what if you need to extract more than one column of information? For eg. Lets say you have salesperson’s name in left most column, and monthly sales figures in next columns, one for each month. Now, you want to find the total sales made by a given sales person. How do you go about it?
Read more – How to get values from multiple columns with VLOOKUP?
Using VLOOKUP formula with tables
Excel Tables, a newly introduced feature in Excel 2007 is a very powerful way to manage & work with tabular data. I really like tables feature and use them often. If you are new to tables, read up Introduction to Excel Tables. In this short video, understand how to use tables with VLOOKUP formulas.
Watch the video – Using VLOOKUP formula with tables
Doing 2 way lookups in Excel
So far we have seen what VLOOKUP formula is and how to put it to some nifty uses. Lets go one step further and learn how to do 2 Way Lookups.
What is a 2 Way Lookup?
Lookup is when you find a value in one column and get the corresponding element from other columns. 2 Way Lookup is when you lookup value at the interesection of a given row & column values.
Read more – 2 way lookup formula in Excel
Getting 2nd matching value from a list using VLOOKUP
We know that VLOOKUP formula is useful to fetch the first matching item from a list. So what would you do if you need 2nd (or 3rd etc.) matching item from a list?
Read more – Getting 2nd matching value using VLOOKUP
Range lookups in Excel
Here is a really tricky problem. Recently I was given a data set like this (shown below) and asked to find the position of lookup value in the list. The only glitch is that, instead of values, the lookup table contained lower and upper boundaries of the values. See the below illustration to understand the situation. In this case, how do you lookup?
Read more – Doing range lookups in Excel
6 VLOOKUP tips
Ok, you have learned how to write vlookup formulas. You have also seen some pretty interesting examples of it.
But how do you write better VLOOKUP formulas?
Read more – 6 VLOOKUP tips
FREE VLOOKUP cheat sheet – Download today
Please download free VLOOKUP formula cheat-sheet. This cheat-sheet is prepared by Cheater John specifically for our readers. I hope you enjoy the one page help on VLOOKUP.
Download FREE VLOOKUP cheat sheet
Your Favorite VLOOKUP Tips?
When I am working with data, not a day goes by without using some sort of lookup function. I use VLOOKUP, MATCH, INDEX, OFFSET, SUMIFS, SUMPRODUCT, GETPIVOTDATA in most of my dashboards & reports. These are easy to use once you understand the syntax and technique.
What about you? What are your favorite tips on VLOOKUP? How do you use lookup formulas? Please share using comments.
Want to Learn More Formulas? Get my VLOOKUP book
If you want to learn VLOOKUP and other Excel lookup functions, then consider getting my VLOOKUP book.
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Comprehensive and easy to understand
This is a book for everyone who uses Vlookup. Most of us think… Oh.. I already know the function. But this book will open your eyes to some brilliant techniques. – By Dr. Nitin Paranjape
Solid introduction to lookup functions
This books does a wonderful job of taking each of the lookup functions available in Excel, breaking them down to a simple, easy-to-understand level. – by Lucas Moraga |
26 Responses to “Get busy this weekend, with OR XOR AND [Excel Homework]”
first solution for AND
The two numbers are in A1 and B1
= SUBSTITUTE (SUBSTITUTE (A1+B1*9*9, 9, 1), 8, 0)
regards
Stef@n
next solution for OR
=1*SUBSTITUTE (A1+A2;2;1)
regards
Stef@n
last solution for XOR
=1*SUBSTITUTE (A1+A2;2;0)
regards
Stef@n
Or you could make use of the VBA logical operators!
Define the following as custom functions
Public Function BITXOR(x As Long, y As Long)
BITXOR = x Xor y
End Function
Public Function BITAND(x As Long, y As Long)
BITAND = x And y
End Function
Public Function BITOR(x As Long, y As Long)
BITOR = x Or y
End Function
and then use them such:
A B =BITOR(A,B) =BITAND(A,B) =BITXOR(A,B)
0101 0100 0101 0100 0001
an another solution for AND
=1*SUBSTITUTE (SUBSTITUTE (A1+A2;1;0);2;1)
note:
the binary numbers are in A1 and A2 !
regards
Stef@n
I was obviously playing hooky at the beach during the bit-wise math lesson – you lost me at “Understanding bit-wise operations” 🙂
After looking at the above solutions, I find my solution silly, but still:
For the following formulae,
Row 1: headers,
Row 2: OR
Row 3: AND
Row 4: XOR
Column 1: Input 1
Column 2: Input 2
Column 3: Result
OR
{=SUM(IF(MID(A2,ROW(OFFSET($A$1,0,0,LEN(A2),1)),1)+MID(B2,ROW(OFFSET($A$1,0,0,LEN(B2),1)),1)>0,1,0)*10^(LEN(A2)-ROW(OFFSET($A$1,0,0,LEN(B2),1))))}
AND
{=SUM(IF(MID(A3,ROW(OFFSET($A$1,0,0,LEN(A3),1)),1)+MID(B3,ROW(OFFSET($A$1,0,0,LEN(B3),1)),1)=2,1,0)*10^(LEN(A3)-ROW(OFFSET($A$1,0,0,LEN(B3),1))))}
XOR
{=SUM(IF(MID(A4,ROW(OFFSET($A$1,0,0,LEN(A4),1)),1)+MID(B4,ROW(OFFSET($A$1,0,0,LEN(B4),1)),1)=1,1,0)*10^(LEN(A4)-ROW(OFFSET($A$1,0,0,LEN(B4),1))))}
@Anup
Please don't consider your solution silly
Firstly, You are the 3rd person to submit an answer
Secondly, The best formula/function is the one that you know and understand.
I think I have a very tedious solution, which people won't have the patience to do except in small numbers.
I used the same problem setup as "Anup Agarwal"
AND =IF(AND(MID(B2,1,1)="1",MID(C2,1,1)="1"),1,0)&IF(AND(MID(B2,2,1)="1",MID(C2,2,1)="1"),1,0)&IF(AND(MID(B2,3,1)="1",MID(C2,3,1)="1"),1,0)&IF(AND(MID(B2,4,1)="1",MID(C2,4,1)="1"),1,0)
OR =IF(OR(MID(B3,1,1)="1",MID(C3,1,1)="1"),1,0)&IF(OR(MID(B3,2,1)="1",MID(C3,2,1)="1"),1,0)&IF(OR(MID(B3,3,1)="1",MID(C3,3,1)="1"),1,0)&IF(OR(MID(B3,4,1)="1",MID(C3,4,1)="1"),1,0)
=IF(OR(AND(MID(B4,1,1)="1",MID(C4,1,1)="0"),AND(MID(B4,1,1)="0",MID(C4,1,1)="1")),1,0)&IF(OR(AND(MID(B4,2,1)="1",MID(C4,2,1)="0"),AND(MID(B4,2,1)="0",MID(C4,2,1)="1")),1,0)&IF(OR(AND(MID(B4,3,1)="1",MID(C4,3,1)="0"),AND(MID(B4,3,1)="0",MID(C4,3,1)="1")),1,0)&IF(OR(AND(MID(B4,4,1)="1",MID(C4,4,1)="0"),AND(MID(B4,4,1)="0",MID(C4,4,1)="1")),1,0)
Sorry my last post was totally messed up
AND
=IF(AND(MID(B2,1,1)="1",MID(C2,1,1)="1"),1,0)&IF(AND(MID(B2,2,1)="1",MID(C2,2,1)="1"),1,0)&IF(AND(MID(B2,3,1)="1",MID(C2,3,1)="1"),1,0)&IF(AND(MID(B2,4,1)="1",MID(C2,4,1)="1"),1,0)
OR
=IF(OR(MID(B3,1,1)="1",MID(C3,1,1)="1"),1,0)&IF(OR(MID(B3,2,1)="1",MID(C3,2,1)="1"),1,0)&IF(OR(MID(B3,3,1)="1",MID(C3,3,1)="1"),1,0)&IF(OR(MID(B3,4,1)="1",MID(C3,4,1)="1"),1,0)
XOR
=IF(OR(AND(MID(B4,1,1)="1",MID(C4,1,1)="0"),AND(MID(B4,1,1)="0",MID(C4,1,1)="1")),1,0)&IF(OR(AND(MID(B4,2,1)="1",MID(C4,2,1)="0"),AND(MID(B4,2,1)="0",MID(C4,2,1)="1")),1,0)&IF(OR(AND(MID(B4,3,1)="1",MID(C4,3,1)="0"),AND(MID(B4,3,1)="0",MID(C4,3,1)="1")),1,0)&IF(OR(AND(MID(B4,4,1)="1",MID(C4,4,1)="0"),AND(MID(B4,4,1)="0",MID(C4,4,1)="1")),1,0)
@stefan,
I just couldn't get your solutions to work.
01010101010 + 01010101110 = 02020210120
what am i doing wrong?
@anup
...I got yours to work!
@Stephen - I get the same, but Stef@an's second solution for AND does work (at least for the test cases I used)
@ Stephen / Rich
yes , you are right ! - only this works:
OR
=1*SUBSTITUTE (A1+A2;2;1)
XOR
=1*SUBSTITUTE (A1+A2;2;0)
AND
=1*SUBSTITUTE (SUBSTITUTE (A1+A2;1;0);2;1)
@Stef@n - You're answer is really smart, I never knew about the substitute function before. Great Work!
Thx Michael 🙂
yes - it is simply easy 😉
if you add 1 and 1 - excel calculate 2
and then you have to substitute the 2 - new = 0 respectively 1
Here is a good resource for people wanting to learn binary and hexadecimal.
http://justwebware.com/bitwise/bitwise.html
Three that weren't asked for:
NOT
=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(A1+A2,0,3),1,0),3,1)
EQV
=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(A1+A2,0,3),2,3),1,0),3,1)
IMP
=SUBSTITUTE(SUBSTITUTE(A1+SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(A2,0,3),1,0),3,1),0,1),2,0)
(was using Daniel Ferry's bitwise file to verify against)
@ Kyle
Not only takes one parameter and inverts 0 -1 and 1-0
Took out the +A2
=SUBSTITUTE(SUBSTITUTE(SUBSTITUTE(A1,0,3),1,0),3,1)
Great solutions!
I'll add two:
NAND =1*SUBSTITUTE (A1+A2,2,0)
NOR=1*SUBSTITUTE(SUBSTITUTE (SUBSTITUTE(A1+A2,0,2),1,0),2,1)
This will work for binary numbers of any size (although the text format mask will have to have as many zeroes as there are digits in the longest addend)
Assume binary #s are in C35 & C36, then add and format as text in C37:
=TEXT(C36+C35,"000000000000")
-sum- = 101112211112
AND - SUBSTITUTE 0s for 1s in -sum-, then sub 1s for 2s
=SUBSTITUTE(SUBSTITUTE(C37,"1","0"),"2","1")
OR - sub 1s for 2s in -sum-
=SUBSTITUTE(C37,"2","1")
XOR - sub 0s for 2s in -sum-
=SUBSTITUTE(C37,"2","0")
Just wandered by:
AND:
=SUBSTITUTE(A1+A2,1,0)/2
Clever, Shane. I like that.
[…] post http://www.excelhero.com/blog/2010/01/5-and-3-is-1.html for examples using Sumproduct, and http://chandoo.org/wp/2011/07/29/bitwise-operations-in-excel/ for examples using Text […]
Hi Chandoo,
I am not (yet) really into bitwise calculation, but I am looking for a way to speed up my vba calculation with very big numbers. Would is ben convenient to use bitwise notation for this?
Best regards,
Ronald (the Netherlands)
p.s. love your country!
@Ronald
I'd suggest asking this in the Chandoo.org Forums
https://chandoo.org/forum/
Attach a sample file with an example of some data and describe what you want to achieve