TY - GEN ID - cogprints6620 UR - http://cogprints.org/6620/ A1 - Bredenkamp, Jürgen Y1 - 1990/// N2 - A detailed analysis of the processes of a mental calculator (Gert Mittring) is given in this paper. It shows that seemingly exceptional tasks (e.g., mentally extracting the 137. root from a number with thousand figures within less than 20 seconds) can be described in the frame of conventional cognitive processes. PB - Hogrefe, Göttingen KW - Rechenkünstler KW - mental calculator KW - Gert Mittring TI - Kognitionspsychologische Untersuchungen eines Rechenkünstlers AV - public ER -