| Calculate Sum of Arithmetic Series Terms, Given the First Term, 211/3, the Common Difference, -15/7 and the Last Term, 172/21 | Jun 04 23:27 UTC (GMT) |
| Calculate Sum of Arithmetic Series Terms, Given the First Term, -101.39, the Common Difference, 4.23 and the Last Term, -12.56 | Jun 04 23:27 UTC (GMT) |
| Calculate Sum of Arithmetic Series Terms, Given the First Term, -1/2, the Common Difference, -4 and the Last Term, -84.5 | Jun 04 23:27 UTC (GMT) |