Vintage Casio FX-300ES Scientific Calculator Solar w/ Cover and Users Guides

Vintage Casio fx-300ES Scientific Calculator with original slide-on cover and original User's Guides (one in English and one in Spanish) and Appendix. Natural Display, Two Way Power (solar and battery). Calculator works (recommend replacing battery). Front of calculator is black, the back is dark gray. Has a matching dark gray cover. All keys are still legible. Has a blue ON bottom at top right. To turn it OFF, simply press the blue SHIFT button at top left then press the red AC button (says OFF right above it). There are some marks and normal wear to calculator and cover due to use and its age.