Vintage Scientific Calculator SHARP EL 514 With Case - Etsy
Amazon.com : Sharp Calculators EL-W535TGBBL 16-Digit Scientific Calculator with WriteView, 4 Line Display, Battery and Solar Hybrid Powered LCD Display, Black & Blue, Black, Blue, 6.4" x 3.1" x 0.6" x 6.4" :
EL-W516TBSL Advanced Scientific Calculator
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