Friday, November 18, 2011

wikiversity .. a place to learn for free and its fun

http://en.wikiversity.org/wiki/Introduction_to_Programming/About_Programming

this link takes you to page 1 of the programming course on wikiversity

That pipe key defined

http://en.wikipedia.org/wiki/Vertical_bar

Rarely used but much loved the pipe key, I use it in Excel to reveal formulas with CTRL + `

press again to reveal data.

thanks
J

donate for wiki

https://wikimediafoundation.org/w/index.php?title=L11_1114_WMUK_Jimmy/GB&utm_source=B11_1114_Foundation_WMUK_Jimmy&utm_medium=sitenotice&utm_campaign=C11_1114_WMUK&language=en&uselang=en&country=GB&referrer=http%3A%2F%2Fen.wikipedia.org%2Fw%2Findex.php%3Ftitle%3DSpecial%253ASearch%26search%3Dpipe%2Bkey


the above gibberish takes you to a link to donate to wikipedia, please consider it to maintain a great service.
J

The # key and its history

http://en.wikipedia.org/wiki/Number_sign

Did you know some people call it the pound key ? also the Octothorp ????

weird !

:)
J

Whats that key for again ??

http://www.computerhope.com/keys.htm

the above link simply explains what all the keys on your keyboard are called and what they typically do for you !

Simples

JJ

Wednesday, November 16, 2011

Grr how do you show Percentage Changes

This is not an obvious one but I was aksed how can I show a percentage CHANGE between two values,
eg.
Sales in 2009 were 75K and by 2010 had risen to 125K what is the % change ?

The Formula you can use is as below:


Thus returning a value of 67%

nice one !!!

JJ

Charts and MORE Charts

http://processtrends.com/downloads.htm

Take a look at the above link for lots of specialist Chart types not normally available in Excel.

thanks

JJ

Friday, November 11, 2011

Another IF ISERROR example

IF ISERROR and VLOOKUPs













=IF(ISERROR(VLOOKUP(E6,CostTable,2,FALSE)*E6),0,VLOOKUP(E6,CostTable,2,FALSE)*E6)

use the above to solve your Excel 2003 Vlookup error requirements, this enables SUM calcs to still give you an answer  and replaces error cells with zeros.

J

dynamic searching with VLOOKUPS, MATCH and INDEX

http://office.microsoft.com/en-us/excel-help/dynamic-searching-using-vlookup-match-and-index-HA001154902.aspx

IF ISERROR VLOOKUP

http://www.exceltip.com/images/screenshots/810.gif

Another problem was how to use an IF ISERROR combo in Excel 2003 as this was much simplified
in Excel 2007/10 with the IFERROR Function.

see the screen shot above for a solution.

JJ

Waterfall Charts, wet your appetite !

A recent question about waterfall charts in Excel got me thinking "How do they do that ?"
so after a little searching here is a great link to a fix for it in Excel.

http://chandoo.org/wp/2009/08/10/excel-waterfall-charts/

PS
Download the template to play with it for yourself.

Jamie

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Jamie Johnson
JJSurf IT Training Ltd
http://www.jjsurf.co.uk/
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