Document (#22748)

Editor
¬Die Deutsche Bibliothek
Title
Deutsche Nationalbibliographie : CD-ROM 1945-1971
Imprint
Frankfurt a.M. : Buchhändler-Vereinigung
Year
1995
Pages
CD+xx S. (Benutzerhandbuch)
Isbn
3-7657-2086-0
Series
DNB-CD retro 1
Abstract
Die Grundlage dieser CD-ROM sind die konvertierten Alphabetischen Kataloge 1945 bis 1971 der Deutschen Bibliothek Frankfurt am Main. Sie beinhalten alle in Deutschland erschienenen Publikationen, die als Belegexemplare eingegangen sind. Es handelt sich um ca. 710.000 Datensätze von Monographien und Karten der Jahre 1945 bis 1971. Nicht enthalten sind Zeitschriften, Sereingesamtaufnahmen, Germanica und Übersetzungen deutschsprachiger Werke. Als Suchkategorien stehen u.a. Autor, Stichwort, Titel oder Reihe zur Verfügung. Die sachliche Recherche ist über die damaligen 26 Sachgruppen der Deutschen Nationalbibliographie möglich
Content
Titelbeschreibung der PI Zeit RAK analog konvertiert
Theme
Bibliographie
Object
DNB-CD retro 1945/71
Location
D

Similar documents (content)

  1. Deutsche Nationalbibliographie : CD-ROM 1972-1985 (1997) 2.10
    2.0983212 = sum of:
      2.0983212 = product of:
        2.7609491 = sum of:
          0.059563402 = weight(abstract_txt:reihe in 5746) [ClassicSimilarity], result of:
            0.059563402 = score(doc=5746,freq=1.0), product of:
              0.0978291 = queryWeight, product of:
                6.4944167 = idf(docFreq=178, maxDocs=43556)
                0.015063571 = queryNorm
              0.60885155 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.4944167 = idf(docFreq=178, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.060346317 = weight(abstract_txt:zeitschriften in 5746) [ClassicSimilarity], result of:
            0.060346317 = score(doc=5746,freq=1.0), product of:
              0.09868449 = queryWeight, product of:
                1.0043623 = boost
                6.5227475 = idf(docFreq=173, maxDocs=43556)
                0.015063571 = queryNorm
              0.6115076 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.5227475 = idf(docFreq=173, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.0628832 = weight(abstract_txt:handelt in 5746) [ClassicSimilarity], result of:
            0.0628832 = score(doc=5746,freq=1.0), product of:
              0.10143118 = queryWeight, product of:
                1.0182437 = boost
                6.6128983 = idf(docFreq=158, maxDocs=43556)
                0.015063571 = queryNorm
              0.61995924 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.6128983 = idf(docFreq=158, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.069514126 = weight(abstract_txt:eingegangen in 5746) [ClassicSimilarity], result of:
            0.069514126 = score(doc=5746,freq=1.0), product of:
              0.108441904 = queryWeight, product of:
                1.0528452 = boost
                6.8376155 = idf(docFreq=126, maxDocs=43556)
                0.015063571 = queryNorm
              0.64102644 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.8376155 = idf(docFreq=126, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.102267504 = weight(abstract_txt:enthalten in 5746) [ClassicSimilarity], result of:
            0.102267504 = score(doc=5746,freq=2.0), product of:
              0.111334614 = queryWeight, product of:
                1.0667952 = boost
                6.9282126 = idf(docFreq=115, maxDocs=43556)
                0.015063571 = queryNorm
              0.91855985 = fieldWeight in 5746, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.9282126 = idf(docFreq=115, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.073989846 = weight(abstract_txt:frankfurt in 5746) [ClassicSimilarity], result of:
            0.073989846 = score(doc=5746,freq=1.0), product of:
              0.11304808 = queryWeight, product of:
                1.074973 = boost
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.015063571 = queryNorm
              0.65449893 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.081313826 = weight(abstract_txt:werke in 5746) [ClassicSimilarity], result of:
            0.081313826 = score(doc=5746,freq=1.0), product of:
              0.12039026 = queryWeight, product of:
                1.1093322 = boost
                7.204466 = idf(docFreq=87, maxDocs=43556)
                0.015063571 = queryNorm
              0.6754187 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.204466 = idf(docFreq=87, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.10805223 = weight(abstract_txt:datensätze in 5746) [ClassicSimilarity], result of:
            0.10805223 = score(doc=5746,freq=1.0), product of:
              0.14551382 = queryWeight, product of:
                1.2196019 = boost
                7.920603 = idf(docFreq=42, maxDocs=43556)
                0.015063571 = queryNorm
              0.7425565 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.920603 = idf(docFreq=42, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.11103911 = weight(abstract_txt:erschienenen in 5746) [ClassicSimilarity], result of:
            0.11103911 = score(doc=5746,freq=1.0), product of:
              0.14818323 = queryWeight, product of:
                1.2307377 = boost
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.015063571 = queryNorm
              0.74933654 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.11209761 = weight(abstract_txt:karten in 5746) [ClassicSimilarity], result of:
            0.11209761 = score(doc=5746,freq=1.0), product of:
              0.14912347 = queryWeight, product of:
                1.2346361 = boost
                8.018241 = idf(docFreq=38, maxDocs=43556)
                0.015063571 = queryNorm
              0.75171006 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.018241 = idf(docFreq=38, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.11209761 = weight(abstract_txt:stichwort in 5746) [ClassicSimilarity], result of:
            0.11209761 = score(doc=5746,freq=1.0), product of:
              0.14912347 = queryWeight, product of:
                1.2346361 = boost
                8.018241 = idf(docFreq=38, maxDocs=43556)
                0.015063571 = queryNorm
              0.75171006 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.018241 = idf(docFreq=38, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.12346541 = weight(abstract_txt:übersetzungen in 5746) [ClassicSimilarity], result of:
            0.12346541 = score(doc=5746,freq=1.0), product of:
              0.15904205 = queryWeight, product of:
                1.2750345 = boost
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.015063571 = queryNorm
              0.77630675 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.280605 = idf(docFreq=29, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.12657727 = weight(abstract_txt:monographien in 5746) [ClassicSimilarity], result of:
            0.12657727 = score(doc=5746,freq=1.0), product of:
              0.1617033 = queryWeight, product of:
                1.2856579 = boost
                8.349598 = idf(docFreq=27, maxDocs=43556)
                0.015063571 = queryNorm
              0.7827748 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.349598 = idf(docFreq=27, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.12657727 = weight(abstract_txt:sachliche in 5746) [ClassicSimilarity], result of:
            0.12657727 = score(doc=5746,freq=1.0), product of:
              0.1617033 = queryWeight, product of:
                1.2856579 = boost
                8.349598 = idf(docFreq=27, maxDocs=43556)
                0.015063571 = queryNorm
              0.7827748 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.349598 = idf(docFreq=27, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.18639567 = weight(abstract_txt:sachgruppen in 5746) [ClassicSimilarity], result of:
            0.18639567 = score(doc=5746,freq=2.0), product of:
              0.16612269 = queryWeight, product of:
                1.3031081 = boost
                8.462927 = idf(docFreq=24, maxDocs=43556)
                0.015063571 = queryNorm
              1.1220362 = fieldWeight in 5746, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                8.462927 = idf(docFreq=24, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.15377198 = weight(abstract_txt:deutschsprachiger in 5746) [ClassicSimilarity], result of:
            0.15377198 = score(doc=5746,freq=1.0), product of:
              0.18410541 = queryWeight, product of:
                1.3718266 = boost
                8.909214 = idf(docFreq=15, maxDocs=43556)
                0.015063571 = queryNorm
              0.8352388 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.909214 = idf(docFreq=15, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.05898528 = weight(abstract_txt:deutschen in 5746) [ClassicSimilarity], result of:
            0.05898528 = score(doc=5746,freq=1.0), product of:
              0.1224581 = queryWeight, product of:
                1.5822486 = boost
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.015063571 = queryNorm
              0.48167726 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.055975303 = weight(abstract_txt:sind in 5746) [ClassicSimilarity], result of:
            0.055975303 = score(doc=5746,freq=2.0), product of:
              0.10744259 = queryWeight, product of:
                1.8151596 = boost
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.015063571 = queryNorm
              0.52097875 = fieldWeight in 5746, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.09375 = fieldNorm(doc=5746)
          0.9760361 = weight(title_txt:nationalbibliographie in 5746) [ClassicSimilarity], result of:
            0.9760361 = score(doc=5746,freq=1.0), product of:
              0.31556997 = queryWeight, product of:
                2.539971 = boost
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.015063571 = queryNorm
              3.0929308 = fieldWeight in 5746, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.375 = fieldNorm(doc=5746)
        0.76 = coord(19/25)
    
  2. Ansorge, K.: Deutsche Nationalbibliographie 2004 (2003) 0.31
    0.30952042 = sum of:
      0.30952042 = product of:
        1.547602 = sum of:
          0.061038513 = weight(abstract_txt:frankfurt in 2794) [ClassicSimilarity], result of:
            0.061038513 = score(doc=2794,freq=2.0), product of:
              0.11304808 = queryWeight, product of:
                1.074973 = boost
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.015063571 = queryNorm
              0.5399341 = fieldWeight in 2794, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.0546875 = fieldNorm(doc=2794)
          0.064772815 = weight(abstract_txt:erschienenen in 2794) [ClassicSimilarity], result of:
            0.064772815 = score(doc=2794,freq=1.0), product of:
              0.14818323 = queryWeight, product of:
                1.2307377 = boost
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.015063571 = queryNorm
              0.437113 = fieldWeight in 2794, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.0546875 = fieldNorm(doc=2794)
          0.09732075 = weight(abstract_txt:deutschen in 2794) [ClassicSimilarity], result of:
            0.09732075 = score(doc=2794,freq=8.0), product of:
              0.1224581 = queryWeight, product of:
                1.5822486 = boost
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.015063571 = queryNorm
              0.7947269 = fieldWeight in 2794, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.0546875 = fieldNorm(doc=2794)
          0.023088634 = weight(abstract_txt:sind in 2794) [ClassicSimilarity], result of:
            0.023088634 = score(doc=2794,freq=1.0), product of:
              0.10744259 = queryWeight, product of:
                1.8151596 = boost
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.015063571 = queryNorm
              0.21489276 = fieldWeight in 2794, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.0546875 = fieldNorm(doc=2794)
          1.3013813 = weight(title_txt:nationalbibliographie in 2794) [ClassicSimilarity], result of:
            1.3013813 = score(doc=2794,freq=1.0), product of:
              0.31556997 = queryWeight, product of:
                2.539971 = boost
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.015063571 = queryNorm
              4.1239076 = fieldWeight in 2794, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.5 = fieldNorm(doc=2794)
        0.2 = coord(5/25)
    
  3. Ansorge, K.: Deutsche Nationalbibliographie 2004 (2003) 0.31
    0.30952042 = sum of:
      0.30952042 = product of:
        1.547602 = sum of:
          0.061038513 = weight(abstract_txt:frankfurt in 3032) [ClassicSimilarity], result of:
            0.061038513 = score(doc=3032,freq=2.0), product of:
              0.11304808 = queryWeight, product of:
                1.074973 = boost
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.015063571 = queryNorm
              0.5399341 = fieldWeight in 3032, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                6.9813223 = idf(docFreq=109, maxDocs=43556)
                0.0546875 = fieldNorm(doc=3032)
          0.064772815 = weight(abstract_txt:erschienenen in 3032) [ClassicSimilarity], result of:
            0.064772815 = score(doc=3032,freq=1.0), product of:
              0.14818323 = queryWeight, product of:
                1.2307377 = boost
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.015063571 = queryNorm
              0.437113 = fieldWeight in 3032, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                7.9929233 = idf(docFreq=39, maxDocs=43556)
                0.0546875 = fieldNorm(doc=3032)
          0.09732075 = weight(abstract_txt:deutschen in 3032) [ClassicSimilarity], result of:
            0.09732075 = score(doc=3032,freq=8.0), product of:
              0.1224581 = queryWeight, product of:
                1.5822486 = boost
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.015063571 = queryNorm
              0.7947269 = fieldWeight in 3032, product of:
                2.828427 = tf(freq=8.0), with freq of:
                  8.0 = termFreq=8.0
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.0546875 = fieldNorm(doc=3032)
          0.023088634 = weight(abstract_txt:sind in 3032) [ClassicSimilarity], result of:
            0.023088634 = score(doc=3032,freq=1.0), product of:
              0.10744259 = queryWeight, product of:
                1.8151596 = boost
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.015063571 = queryNorm
              0.21489276 = fieldWeight in 3032, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.0546875 = fieldNorm(doc=3032)
          1.3013813 = weight(title_txt:nationalbibliographie in 3032) [ClassicSimilarity], result of:
            1.3013813 = score(doc=3032,freq=1.0), product of:
              0.31556997 = queryWeight, product of:
                2.539971 = boost
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.015063571 = queryNorm
              4.1239076 = fieldWeight in 3032, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.5 = fieldNorm(doc=3032)
        0.2 = coord(5/25)
    
  4. Heiner-Freiling, M.: Dewey in der Deutschen Nationalbibliographie? (2002) 0.28
    0.27876025 = sum of:
      0.27876025 = product of:
        1.3938012 = sum of:
          0.11414357 = weight(abstract_txt:sachgruppen in 2417) [ClassicSimilarity], result of:
            0.11414357 = score(doc=2417,freq=3.0), product of:
              0.16612269 = queryWeight, product of:
                1.3031081 = boost
                8.462927 = idf(docFreq=24, maxDocs=43556)
                0.015063571 = queryNorm
              0.68710405 = fieldWeight in 2417, product of:
                1.7320508 = tf(freq=3.0), with freq of:
                  3.0 = termFreq=3.0
                8.462927 = idf(docFreq=24, maxDocs=43556)
                0.046875 = fieldNorm(doc=2417)
          0.07125233 = weight(abstract_txt:damaligen in 2417) [ClassicSimilarity], result of:
            0.07125233 = score(doc=2417,freq=1.0), product of:
              0.17499855 = queryWeight, product of:
                1.3374673 = boost
                8.68607 = idf(docFreq=19, maxDocs=43556)
                0.015063571 = queryNorm
              0.40715957 = fieldWeight in 2417, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.68607 = idf(docFreq=19, maxDocs=43556)
                0.046875 = fieldNorm(doc=2417)
          0.04170889 = weight(abstract_txt:deutschen in 2417) [ClassicSimilarity], result of:
            0.04170889 = score(doc=2417,freq=2.0), product of:
              0.1224581 = queryWeight, product of:
                1.5822486 = boost
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.015063571 = queryNorm
              0.34059724 = fieldWeight in 2417, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.046875 = fieldNorm(doc=2417)
          0.027987652 = weight(abstract_txt:sind in 2417) [ClassicSimilarity], result of:
            0.027987652 = score(doc=2417,freq=2.0), product of:
              0.10744259 = queryWeight, product of:
                1.8151596 = boost
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.015063571 = queryNorm
              0.26048937 = fieldWeight in 2417, product of:
                1.4142135 = tf(freq=2.0), with freq of:
                  2.0 = termFreq=2.0
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.046875 = fieldNorm(doc=2417)
          1.1387087 = weight(title_txt:nationalbibliographie in 2417) [ClassicSimilarity], result of:
            1.1387087 = score(doc=2417,freq=1.0), product of:
              0.31556997 = queryWeight, product of:
                2.539971 = boost
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.015063571 = queryNorm
              3.6084192 = fieldWeight in 2417, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.4375 = fieldNorm(doc=2417)
        0.2 = coord(5/25)
    
  5. Kett, J.; Manecke, M.; Beyer, S.: ¬Die Nationalbibliographie im Zeitalter des Internets (2012) 0.13
    0.1269809 = sum of:
      0.1269809 = product of:
        1.0581743 = sum of:
          0.0491544 = weight(abstract_txt:deutschen in 2574) [ClassicSimilarity], result of:
            0.0491544 = score(doc=2574,freq=1.0), product of:
              0.1224581 = queryWeight, product of:
                1.5822486 = boost
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.015063571 = queryNorm
              0.4013977 = fieldWeight in 2574, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                5.137891 = idf(docFreq=694, maxDocs=43556)
                0.078125 = fieldNorm(doc=2574)
          0.032983765 = weight(abstract_txt:sind in 2574) [ClassicSimilarity], result of:
            0.032983765 = score(doc=2574,freq=1.0), product of:
              0.10744259 = queryWeight, product of:
                1.8151596 = boost
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.015063571 = queryNorm
              0.30698967 = fieldWeight in 2574, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                3.9294677 = idf(docFreq=2326, maxDocs=43556)
                0.078125 = fieldNorm(doc=2574)
          0.9760361 = weight(title_txt:nationalbibliographie in 2574) [ClassicSimilarity], result of:
            0.9760361 = score(doc=2574,freq=1.0), product of:
              0.31556997 = queryWeight, product of:
                2.539971 = boost
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.015063571 = queryNorm
              3.0929308 = fieldWeight in 2574, product of:
                1.0 = tf(freq=1.0), with freq of:
                  1.0 = termFreq=1.0
                8.247815 = idf(docFreq=30, maxDocs=43556)
                0.375 = fieldNorm(doc=2574)
        0.12 = coord(3/25)