enow.com Web Search

Search results

  1. Results from the WOW.Com Content Network
  2. Lock and Dam No. 19 - Wikipedia

    en.wikipedia.org/wiki/Lock_and_Dam_No._19

    Lock and Dam No. 19 is a lock and dam located on the Upper Mississippi River near Keokuk, Iowa. In 1978, the Keokuk Lock and Dam was listed in the National Register of Historic Places , #78001234. In 2004, the facility was listed in the National Register of Historic Places as Lock and Dam No. 19 Historic District, #04000179 covering 1,605 acres ...

  3. Four fours - Wikipedia

    en.wikipedia.org/wiki/Four_fours

    For example, when d=4, the hash table for two occurrences of d would contain the key-value pair 8 and 4+4, and the one for three occurrences, the key-value pair 2 and (4+4)/4 (strings shown in bold). The task is then reduced to recursively computing these hash tables for increasing n , starting from n=1 and continuing up to e.g. n=4.

  4. 1 − 2 + 3 − 4 + ⋯ - ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%E2%88%92_2_%2B_3_%E2%88...

    The idea becomes clearer by considering the general series 1 − 2x + 3x 2 − 4x 3 + 5x 4 − 6x 5 + &c. that arises while expanding the expression 1 ⁄ (1+x) 2, which this series is indeed equal to after we set x = 1.

  5. 1 + 2 + 3 + 4 + ⋯ - Wikipedia

    en.wikipedia.org/wiki/1_%2B_2_%2B_3_%2B_4_%2B_%E...

    The partial sums of the series 1 + 2 + 3 + 4 + 5 + 6 + ⋯ are 1, 3, 6, 10, 15, etc.The nth partial sum is given by a simple formula: = = (+). This equation was known ...

  6. Locks on the Chesapeake and Ohio Canal - Wikipedia

    en.wikipedia.org/wiki/Locks_on_the_Chesapeake...

    They were numbered 1 to 75, including two locks with fractional numbers (63 + 13 and 64 + 23) and none numbered 65. There is also the Tidewater Lock, sometimes called Lock 0, lock at the downstream end of the canal in Washington, D.C., where Rock Creek flows into the Potomac River.

  7. Cup (unit) - Wikipedia

    en.wikipedia.org/wiki/Cup_(unit)

    The cup is a cooking measure of volume, commonly associated with cooking and serving sizes.In the US, it is traditionally equal to one-half US pint (236.6 ml). Because actual drinking cups may differ greatly from the size of this unit, standard measuring cups may be used, with a metric cup commonly being rounded up to 240 millilitres (legal cup), but 250 ml is also used depending on the ...

  8. DKW 3=6 - Wikipedia

    en.wikipedia.org/wiki/DKW_3=6

    DKW 3=6 F91 (2-door saloon data) F93 2-door saloon F93 2-door pillarless coupé F93 Karmann cabriolet F94 4-door saloon F94U ‘Universal’ 3-door estate Monza 2-door lightweight sportscar; Produced: 1953–1955: 1955–1959: 1955–1959: 1957–1959: 1957–1959: 1956–1958 Engine: 3-cylinder-inline engine , longitudinally front-mounted Bore ...

  9. Enlarged Double Lock No. 33 Old Erie Canal - Wikipedia

    en.wikipedia.org/wiki/Enlarged_Double_Lock_No...

    The south lock was enlarged in 1888. It is built entirely of large cut limestone blocks mortared with hydraulic cement. Lock 33 fell into disuse after the opening of the New York State Barge Canal in 1918. Since 1997, it has been reclaimed and restored by local volunteers. [2] It was added to the National Register of Historic Places in 2002. [1]