ユニバーサル横メルカトル図法
β 1 = 1 2 n − 2 3 n 2 + 37 96 n 3 , β 2 = 1 48 n 2 + 1 15 n 3 , β 3 = 17 480 n 3 , {\displaystyle \beta _{1}={\frac {1}{2}}n-{\frac {2}{3}}n^{2}+{\frac {37}{96}}n^{3},\,\,\,\beta _{2}={\frac {1}{48}}n^{2}+{\frac {1}{15}}n^{3},\,\,\,\beta _{3}={\frac {17}{480}}n^{3},}
δ 1 = 2 n − 2 3 n 2 − 2 n 3 , δ 2 = 7 3 n 2 − 8 5 n 3 , δ 3 = 56 15 n 3 . {\displaystyle \delta _{1}=2n-{\frac {2}{3}}n^{2}-2n^{3},\,\,\,\delta _{2}={\frac {7}{3}}n^{2}-{\frac {8}{5}}n^{3},\,\,\,\delta _{3}={\frac {56}{15}}n^{3}.}