| Math Functions |
| ABS | (num_expr) | Returns the absolute value of a numeric expression. |
| MOD | (int_expr, divisor) | Returns the integral remainder of one integer expression divided by another. |
| ROUND | (num_expr [, digits]) | Round a numerical value to the specified number of decimal places. |
| TRUNC | (num_expr [, digits]) | Return a numeric expression truncated to a specified number of digits to the right of the decimal point. |
| $RANDOM | (num_expr [, seed]) | Return a pseudo-random number. |
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