[5][6] In 1962, Pentecost moved to Mills Associates Ltd,[e] where he headed a small team of programmers to implement a unit trust administration system, believed to be the first of its kind.

[g] He designed and implemented what was thought to be the first fully computerised unit trust contract note production system.

Only one had been built, in 1955, for the Government's Weapons Research Establishment,[11] in Salisbury, South Australia, for the analysis of guided missile trials at Woomera.

The Society regards his autobiography as a unique book, describing the complete working life experiences of a 20th-century computer programmer.

They were called Pianists’ Circles and were based on similar principles to those of the Chopin Society's Members’ Matinée concerts.

Russian pianist Tatiana Stupak played his Nocturne Op.18 at the Technopolis Cultural Centre in Paphos on 8 December 2017.

[21] Tatiana Stupak and another Russian pianist, Natalia Lezedova, played about twenty of his early piano works in Cyprus at a public concert in Paphos on 13 February 2018.

[24] Eight of his compositions were performed at a concert at the Historical Museum of Serbia in Belgrade on 21 April 2022, by pianist Tatiana Stupak and violinist Olivera Rialas.

[25] His Opus 56, Poème, for violin and piano, was played at a concert ‘Music through the Ages’ at Kolossi Castle, in Cyprus, on 10 June 2022.

As a result, he made a documentary video,[30] intended for students of music history, about Lamond and his time spent with Liszt.