Costa DC da, Faria RWS de C. USE OF SMARTPHONE IN MATHEMATICS TEACHING: REPORT OF AN EXPERIENCE WITH INVESTIGATIVE ACTIVITY OF EXPONENTIAL FUNCTION: relato de uma experiência com Atividade Investigativa de Função Exponencial. IA [Internet]. 2024 May 15 [cited 2026 Oct. 7];49(1):178-95. Available from: https://teste.revistas.ufg.br/interacao/article/view/76002