| rational(RationalNumberIF) |  | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| rational(NumberIF) | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| rational(NumericPrimitive) |  | 80% | | 50% | 2 | 3 | 0 | 2 | 0 | 1 |
| rational(NumericConcreteExpressionIF) | | 80% | | 50% | 2 | 3 | 0 | 2 | 0 | 1 |
| zero() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| one() | | 0% | | n/a | 1 | 1 | 1 | 1 | 1 | 1 |
| static {...} | | 75% | | 50% | 1 | 2 | 0 | 1 | 0 | 1 |
| rational(FactoredPolynomial, FactoredPolynomial) | | 100% | | n/a | 0 | 1 | 0 | 9 | 0 | 1 |
| RationalFactory(FactoredPolynomialFactory) | | 100% | | n/a | 0 | 1 | 0 | 11 | 0 | 1 |
| add(RationalExpression, RationalExpression) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| multiply(RationalExpression, RationalExpression) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| divide(RationalExpression, RationalExpression) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| negate(RationalExpression) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| subtract(RationalExpression, RationalExpression) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |
| rational(FactoredPolynomial) | | 100% | | n/a | 0 | 1 | 0 | 1 | 0 | 1 |