ICF illustration library English version  
BODY FUNCTIONS 

b1720  b1721  b1728  b1729  
Simple calculation  Complex calculation  Calculation functions, other specified  Calculation functions, unspecified  
Mental functions of computing with numbers, such as addition, subtraction, multiplication and division.  Mental functions of translating word problems into arithmetic procedures, translating mathematical formulas into arithmetic procedures, and other complex manipulations involving numbers.  
Illustrations copyright by TAI TAKAHASHI, International University of Health and Welfare. 