| Result Source | Subterm− Input | Subterm u Input | Subterm+ Input | Surplus | Sum |
| Carried | αk(−) | αk(u) | 0 | γk | Ψk |
| Subterm− Output | ρk(−−) | ρk(−u) | 0 | βk(−) | Yk(−) |
| Subterm u Output | 0 | 0 | 0 | + | + |
| Subterm+ Output | 0 | 0 | 0 | βk(+) | Yk(+) |
| Sum | Xk(−) | Xk(u) | 0 | Ωk |
|