arithmancy

As nouns the difference between math and arithmancy

is that math is a mowing; what is gathered from mowing or math can be (uncountable|north america) or math can be (hinduism|jainism) while arithmancy is divination using numbers that are the equivalent of letters of a name.

As nouns the difference between mathematics and arithmancy

is that mathematics is an abstract representational system used in the study of numbers, shapes, structure, change and the relationships between these concepts while arithmancy is divination using numbers that are the equivalent of letters of a name.