Calculators
Casio FX-82 SOLAR Pocket Calculator
Concise, easily-readable 10+2 display Accumulative memory Trigonometry functions (sin, cos, tan) and inverse Percentages 18 bracket levels Hyperbolic and inverse hyperbolic functions SCI/FIX/ENG function Automatic fraction calculation Random number...
https://www.bizrate.co.uk/calculators1/casio-fx-82-solar-pocket-calculator-oid5244032927.html