0 n 0 (0, 0)

(−1, 10) n n num/den 10^{−7}m (num × mag)/(1000 × den)

2^{27} > s > 0 2^{−20} 2^{16} 2^{16} (s × mag)/(1000 × d)

2^{−20} ds/2^{20} (designsize)/2^{20} tfmwidth/2^{20} × ds/2^{20} 2^{−16} dμ 10^{−7}m

1sp = \frac{1}{2^{20}} pt = \frac{25400000}{7227 × 2^{16}} dμ
7227pt = 254cm = 25400000dμ
1dviu = \frac{num × resolution}{den × 254000}px
1dviu = \frac{num × 7227}{den × 25400000}pt