For the Croatia national team, Računica capped two games, against Mexico in Zagreb, in 1992, where he scored one goal, and against Slovakia in Bratislava, in 1994.

In 2012 he took over Junak Sinj, and in 2015 became the assistant manager of Slovak side Dunajská Streda, under the coaching staff of Aljoša Asanović.

In 2017 he left Uskok again without leading them for a single match and joined Karabükspor,[3] and later Računica took up a job in Australia, becoming the assistant manager to Asanović at Melbourne Knights.

[4] Since June 2019, Računica works as assistant manager to Slaven Bilić at English club West Bromwich Albion, alongside Danilo Butorović.

[5] They led the club to promotion back to the Premier League, finishing runners-up in the 2019–20 EFL Championship season.