Casio SL Series Pocket Calculators - Casio SL-320TER+-WK-UP, The Casio SL-320TER+ pocket calculator has a 12-digit display features tax calculations, currency conversion, independent memory and profit margin percentage calculations.
Additional functions include: sign change key, large + key, four constants (k), 3-digit comma marker, key rollover, 3-key memory, function command signs, and 00 key.
Casio SL-320TER+-WK-UP Pocket Calculator 12 Digits