| Element | Missed Instructions | Cov. | Missed Branches | Cov. | Missed | Cxty | Missed | Lines | Missed | Methods |
| Total | 98 of 293 | 66% | 14 of 50 | 72% | 10 | 31 | 15 | 64 | 1 | 6 |
| format(Number) | | 0% | | 0% | 6 | 6 | 11 | 11 | 1 | 1 |
| plus(Number, Number) | | 86% | | 90% | 1 | 6 | 1 | 12 | 0 | 1 |
| minus(Number, Number) | | 86% | | 90% | 1 | 6 | 1 | 12 | 0 | 1 |
| copy(Number) | | 84% | | 90% | 1 | 6 | 1 | 12 | 0 | 1 |
| zero(Number) | | 80% | | 90% | 1 | 6 | 1 | 12 | 0 | 1 |
| static {...} | | 100% | n/a | 0 | 1 | 0 | 5 | 0 | 1 |