text: I roto i tēnei wā tauwhiro mai i tētahi āhuatanga tohetohe, ā-porowhita ki tētahi mea nui rawa atu, he tokomaha ōna mōhiohio matatiki he mahi ōna mahi: ko Luca Pacioli (pūtahi o te kaute); Niccolō Fontana Tartaor (raweke rongonui me te kaitiaki pukapuka); Gerolamo Cardano (tauranga tuatahi o te tūponotanga me te whakawhānuitanga huarua); Ko Robert Recorde (rata) me François Viète (rōia).