Casio SL-300VC Portable Calculator | Southwestern College Bookstore
Sunway Calculator 12 digits SW-2421T: Buy Online at Best Price in Egypt - Souq is now Amazon.eg
Modern Updates for Old Calculators
Desktop Calculator (SW-2216) - China desktop, calculator | Made-in-China.com
GitHub - petrstepanov/sw-calculator: SW Calculator is a desktop app that calculates S and W parameters of the doppler spectrum of annihilation radiation. Software estimates electron binding energies and Fermi energy for metals.