Update documentation in math.py and added tests in test_math.py #271

Job	Run time
build (3.9, ubuntu-latest)	44s
build (3.9, ubuntu-latest, deeplay)	2m 4s
build (3.9, macos-latest)	1m 7s
build (3.9, macos-latest, deeplay)	1m 19s
build (3.9, windows-latest)	2m 16s
build (3.9, windows-latest, deeplay)	3m 34s
build (3.10, ubuntu-latest)	45s
build (3.10, ubuntu-latest, deeplay)	2m 13s
build (3.10, macos-latest)	1m 6s
build (3.10, macos-latest, deeplay)	1m 25s
build (3.10, windows-latest)	1m 54s
build (3.10, windows-latest, deeplay)	4m 16s
build (3.11, ubuntu-latest)	45s
build (3.11, ubuntu-latest, deeplay)	2m 11s
build (3.11, macos-latest)	53s
build (3.11, macos-latest, deeplay)	58s
build (3.11, windows-latest)	1m 59s
build (3.11, windows-latest, deeplay)	3m 30s
build (3.12, ubuntu-latest)	45s
build (3.12, ubuntu-latest, deeplay)	2m 7s
build (3.12, macos-latest)	42s
build (3.12, macos-latest, deeplay)	1m 25s
build (3.12, windows-latest)	2m 9s
build (3.12, windows-latest, deeplay)	4m 9s
	44m 16s

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