Harangvirág elég alumínium kalkulator sharp el w506xslc Uluru szem Gyártás
SHARP EL-W546X EL-W506 EL-531WH storing formula and numbers in memory - YouTube
Scientific Calculators : SHARP
Sharp EL-W516TBSL 16-Digit Advanced Scientific Calculator with WriteView 4 Line Display, Battery and Solar Hybrid Powered LCD Display, Black & White, Black and Silver, Model Number: ELW516TBSL