http://www.amazon.in/gp/product/B00G464VYU
http://www.shopclues.com/branded-orpat-ot-512-t-calculator-with-12-digit-and-correct-and-check-feature.html


The bottom line has a LCD 10+2 character display
120 Steps Check Display up to 120 previous calculation steps
Big Display large display makes more data easier to read
Tax calculaton ( Automatic calculation of price tax , price less tax , discount selling price , tax amount , discount amount and margin amount )
Solar and Battery: Solar powered when light is sufficient , battery powered when light is insufficient
Auto Replay: Automatically reviews the entire calculation