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I am struggling to get a Formula that would return my age, where the number after the decimal point indicates the number of months in duodecimal format. For example, my current age is 34 years and 3 months, therefore I want to see 34.03 as the return.

So far I've managed to only get this:

the formula I am using is:

(DATETIME_DIFF(TODAY(),{DoB},"Y"))
&"."
&((DATETIME_DIFF(TODAY(),{DoB},"M"))
-((DATETIME_DIFF(TODAY(), {DoB},"Y"))*12))
 
It is pretty close to what I am looking for, but how do I get 2 digits after the decimal point by default?

*I understand that it may be a weird request asking to combine decimal and dozenal numeral systems like this, but would really appreciate if somebody helped me solve this one 🙏

 

It is more difficult than I thought!
How about this

String Ver.

DATETIME_DIFF(TODAY(),DoB,"Year")& "."& SWITCH(DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12, 11, "", 10, "", "0" )& IF(DATETIME_DIFF(TODAY(),DoB,"Month")>=0, DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12, DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12+12 )

Numeric Ver.

DATETIME_DIFF(TODAY(),DoB,"Year") + IF(DATETIME_DIFF(TODAY(),DoB,"Month")>=0, (DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12)/10, (DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12+12)/10 ) / SWITCH((DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year"))*12, 11, 1, 10, 1, 10 )

 

 

It worked for me like a charm! Thank you very much 🙌

I recall the existence of the MOD function.
It is simpler.

String ver.

DATETIME_DIFF(TODAY(),DoB,"Year")& "."& SWITCH(DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12, 11, "", 10, "", "0" )& MOD((DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12),12)

Numeric Ver.

DATETIME_DIFF(TODAY(),DoB,"Year") + MOD((DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12),12)/100

 

I recall the existence of the MOD function.
It is simpler.

String ver.

DATETIME_DIFF(TODAY(),DoB,"Year")& "."& SWITCH(DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12, 11, "", 10, "", "0" )& MOD((DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12),12)

Numeric Ver.

DATETIME_DIFF(TODAY(),DoB,"Year") + MOD((DATETIME_DIFF(TODAY(),DoB,"Month")-DATETIME_DIFF(TODAY(),DoB,"Year")*12),12)/100

 


There's a terrible, brute-force way of doing the padded decimal portion:

RIGHT("0" & {Month Difference}, 2)

 

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