# Nesting LEFT into an OR formula

#### Nanaia

##### Board Regular
Cheers!
I'm trying to incorporate a LEFT function into the following formula so it will look at only the first two digits of CSV!J3 for the numbers 4,5,8,10,11.

=IF(OR(CSV!J3={4,5,8,10,11}),((0.1005*TAN((PI()/180)*(90-(CSV!Z3/2))))-(0.0693*SIN((PI()/180)*(90-CSV!Z3/2))))*2,0)

I tried

=IF(OR(LEFT(CSV!J3={4,5,8,10,11},2)),((0.1005*TAN((PI()/180)*(90-(CSV!Z3/2))))-(0.0693*SIN((PI()/180)*(90-CSV!Z3/2))))*2,0)
but I get a VALUE! error. Can anyone help me fix this?

#### DanteAmor

##### Well-known Member
The left function returns a text, now you have to ask for a text
Try:

=IF(OR(LEFT(CSV!J3,2)={"04","05","08","10","11"}),((0.1005*TAN((PI()/180)*(90-(CSV!Z3/2))))-(0.0693*SIN((PI()/180)*(90-CSV!Z3/2))))*2,0)

or

=IF(OR(VALUE(LEFT(CSV!J3,2))={4,5,8,10,11}),((0.1005*TAN((PI()/180)*(90-(CSV!Z3/2))))-(0.0693*SIN((PI()/180)*(90-CSV!Z3/2))))*2,0)

Last edited:

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Last edited:

#### Nanaia

##### Board Regular
Fantastic! The second suggestion worked best. It recognized entries both with and without the extra fluff after the first two digits.
Thank you!

##### MrExcel MVP
Try...

=IF(ISNUMBER(MATCH(LEFT(CSV!J3,2)+0),{4,5,8,10,11},0)),((0.1005*TAN((PI()/180)*(90-(CSV!Z3/2))))-(0.0693*SIN((PI()/180)*(90-CSV!Z3/2))))*2,0)

#### DanteAmor

##### Well-known Member
Fantastic! The second suggestion worked best. It recognized entries both with and without the extra fluff after the first two digits.
Thank you!

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