| Calculate Sum of Arithmetic Series Terms, Given the First Term, 3, the Common Difference, 1/3 and the Last Term, 27 | Jul 14 02:46 UTC (GMT) |
| Calculate Sum of Arithmetic Series Terms, Given the First Term, -1/2, the Common Difference, -1/2 and the Last Term, -20 | Jul 14 02:46 UTC (GMT) |
| Calculate Sum of Arithmetic Series Terms, Given the First Term, -1/2, the Common Difference, -1/2 and the Last Term, -20.5 | Jul 14 02:46 UTC (GMT) |