Imaginary Numbers|EtSeq 87
Imaginary Quantities 109
Incommensurable Ratios|EtSeq 72
Infinitely Small Quantities|EtSeq 226
Integral Calculus 222
Interval|EtSeq 158
Kepler's Laws 138
Laputa 10
Laws of Motion@Laws of Motion|EtSeq 167
Laws of Motion 248
Leibniz 16
Leibniz@Leibniz|EtSeq 218
Leonardo da Vinci 42
Leverrier 220
Light 35
Limit of a Function|EtSeq 227
Limit of a Series|EtSeq 199
Limits 77
Locus@Locus|EtSeq 121
Locus 141
Macaulay 156
Malthus 138
Marcellus 37
Mass 30
Mechanics 46
Menaechmus 128, 129