reckon
2. a. To count, so as to ascertain the number or amount of; to ascertain or arrive at (a number, quantity, etc.) by counting or calculating; to compute. Also with *out*.

Disagree; reckon is still in use. True, other words are used more often for the simple sense of the word, but reckon is used still, even in those cases.

In some expressions (he's someone to be reckoned with) there are no useful substitutes. The Harper-Collins Robert, for example, lists 20 separate expressions with reckon' and translates them into French.

I reckon we should keep it around for a while. (On the other hand, I never heard of 'reckon out'.)

The reason for my post was a sentence I read and which sounded very "German" to me.

Das Institut hat errechnet, dass der Dollar um xxx% unterbewertet ist.
The institute reckoned out that the dollar is undervalued by xxx%.

I wondered whether you would really say this...

Claudia, das wäre ja dann besser im 6-gear menue aufgehoben gewesen :-)

eben drum - darum kam ich auch auf die Idee, dass "reckoned out" ungewöhnlich sein muss, und ich wäre dafür, dass man irgendwie kenntlich macht, dass es so nicht geht... :-)

reckon ist wohl auch im BE ganz gebräuchlich:

ein Londoner Bekannter von mir sagt immer "reckoning time" wenn's irgendwo ans Zahlen geht (B&B, Gasthaus usw.)

Es geht hier nicht um "reckon" sondern um "RECKON OUT". Was ziemlich altmodisch klingt -- vielleicht ist es eher Dialekt? z.B. australisches Englisch? Nicht sehr zu empfehlen.

Mein OED enthält den Eintrag "reckon out" nicht (Ausgabe von 1995), sondern lediglich "reckon" bzw. Kombinationen mit allen möglichen anderen Präpositionen (um die es hier aber nicht geht). Ich wäre daher weiterhin für Streichung.

Wenn da aber die Mehrheit dagegen ist - könnten wir uns dann vielleicht darauf einigen, zumindest ein (obs.), (selten) oder so etwas dazuzusetzen, denn sonst werden viele Nutzer auf eine falsche Fährte geführt (siehe mein Beispielsatz oben).

Ich bin für streichen.

Based on Ghol's theory that this usage of reckon might be Australian I checked the Macquarie Dictionary but it only lists: reckon on, reckon up, reckon with, reckon without.

The OED2 on the other hand does have an entry for it:

reckon, v.
[...]
2.a. To count, so as to ascertain the number or amount of; to ascertain or arrive at (a number, quantity, etc) by counting or calculating; to compute. Also with out.
[...]
1633 T. Adams Exp. 2 Peter iii 10.1307 A woman reckons out her nine moneths, and can guesse neare to the day of her comming.

Based on the single example given by the OED2, "reckon out" might be older usage and possibly rare or dialectal these days. So the LEO entry would appear to be valid but should possibly be marked [rare]. Using Google I was able to find a few instances of "reckon out" likely to have been written by native speakers of English. Examples:

http://www.ku.edu/carrie/archives/wwi-l/2000/...
For Americans - check out the increased US "liquidity" - the amount of gold and silver bullion in the US - after the Great War and see if you can reckon out
where it came from if not from Russian payments to reverse the Peace of Brest-Litovsk.

http://www.geocities.com/gospelandrevival/mes...
We find the Lord Jesus turning to thousands of followers in Lk.14:25-35 and telling them just this: go back and reckon out first what the price of following Me is.

http://www.nzetc.org/etexts/JCB-014.pdf
I reckon out £2 for living in all its details & £1 for pleasures — or rather education in a broad sense, books, music plays etc.

http://members.aol.com/steveiron/quotes.html
The most skillful chess-player, the cleverest of them, can only look a few moves ahead; a French player who could reckon out ten moves ahead was written about as a marvel.

Not sure about Australia, but this instantly reminded me of a former colleague from New Zealand: "reckon" was his favourite word, he used it all day, but I can't remember him ever using it with "out".

@Uho<de>: "reckon" (ohne "out", aber haeufiger mit "with") kenne ich vor allem aus dem AE.