Math functions

Function	Support	Notes
`ABS`	Supported
`SIGN`	Supported
`CEIL`	Supported
`CEILING`	Supported
`FLOOR`	Supported
`ROUND`	With limitations	Rounds half to even; BigQuery rounds half away from zero, so results differ on exact `.5` ties (`ROUND(2.5)` returns `2`, not `3`).
`TRUNC`	Supported
`MOD`	Supported
`DIV`	Supported	Integer division.
`POW`	Supported
`POWER`	Supported
`SQRT`	Supported
`CBRT`	Supported
`EXP`	Supported
`LN`	Supported
`LOG`	Supported
`LOG10`	Supported
`GREATEST`	Supported
`LEAST`	Supported
`RAND`	Supported
`SIN`	Supported
`COS`	Supported
`TAN`	Supported
`COT`	Supported
`ASIN`	Supported
`ACOS`	Supported
`ATAN`	Supported
`ATAN2`	Supported
`CSC`	Supported	Reciprocal of sine.
`SEC`	Supported	Reciprocal of cosine.
`SAFE_DIVIDE`	Supported	Returns `NULL` when the divisor is 0.
`SINH`	Supported
`COSH`	Supported
`TANH`	Supported
`ASINH`	Supported
`ACOSH`	Supported
`ATANH`	Supported
`COTH`	Supported
`CSCH`	Supported
`SECH`	Supported
`SAFE_ADD`, `SAFE_MULTIPLY`, `SAFE_NEGATE`, `SAFE_SUBTRACT`	Not supported
`IS_INF`, `IS_NAN`, `RANGE_BUCKET`, `COSINE_DISTANCE`, `EUCLIDEAN_DISTANCE`	Not supported