ðiːz tˈeɪbəlz dʒˈɛnɚɹəli ɹᵻkwˈaɪɚd ɐ wˈɜːkɪŋ ˌʌndɚstˈændɪŋ ʌv kˈɑːmpaʊnd ˈɪntɹɛst mˌæθɪmˈæɾɪks fɔːɹ pɹˈɑːpɚ jˈuːs.
These tables generally required a working understanding of compound interest mathematics for proper use.