* [[Part2.TheModernEpochAndTheEmergenceOfTheModernCalculator | The Modern Epoch And The Emergence Of The Modern Calculator]]  . . . July 16, 2013, at 09:04 AM by ?: [==]
* [[Part2.HistoryTrail | History Trail]]  . . . July 15, 2013, at 10:06 AM by ?: [==]
* [[Part2/TheModernEpochAndTheEmergenceOfTheModernCalculator]]  . . . June 25, 2012, at 09:18 AM by ?: [==]