LET Function - Excel, Variables, Performance, Speed Improvements

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Learn how to use LET function in Microsoft Excel. Declare one or more variables, increase spreadsheet performance for advanced calculations, examples of formulas for increased speed using LET function.
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Best explanation I've seen of Let function. Thanks!!

JohnDeir
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You are very very good teacher. Your explanations are crystal clear. Many thanks for your talent.

KILTOPM
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Wow😍 very well explained .. thank u sir it helps a lot to a newbie like Me. 👍

veljay
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I want it in Google Sheets so much! Haha

JohnBGood
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Cool. When will Google sheets get this function?

JohannY
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is excel that dump that it repeats the calculation if you do not store it in vairable? it seess same formala, why for it to calculaated twice?

Name-lttz
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i treid in google sheet. In one cell I wrote =let(kaina, B2, kaina) - and it shows B2 value - ok. Now in anotehr cell I wrote =kaina and it shows #NAME? . It does not see variable in other cells. I want to define the variable once and use it in other cells. How?

Name-lttz
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Great explanation, thank you. I'm getting to grips with the LET function and starting to really like it. However I created a unique list of some items and store in variable and then tried to use the variable in a MakeArray function that also uses Textsplit to have the text over 3 columns and it does not give the right result. If I replace the variable with the spilled dynamic array (#), it works as it should. Any ideas? Data, MAKEARRAY(ROWS(Flex_ul), 3, LAMBDA(rw, col, INDEX(TEXTSPLIT(INDEX(Flex_ul, rw, 0), " "), 1, col))) - where Flex_ul is the unique list.

stevereed
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Amazing explanation, do you think is possible to program a google spreadsheet custom function to achieve the same?

davidfernandezbajo
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Hello Tutor, please its now available on GOOGLE sheet can you do a video on it?

EricBonsu-or
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Thanks! Is this not ver similar to LAMDA?

afitpacklife
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Pleas google make this formula in spreadsheet

JeanBrnl
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Does let function work the same way in the google sheet as well?

anguschang
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Sir: Any idea what is Wrong with this Formula:
=IF(AND(OR(B2="", B4=""), "", B4-B2), ((ISODD(A1), B4-B2, B5-B3)))

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