Developer's DescriptionBy Everyday Calculation AppsThis app is a fully working emulator of Casio calculator model DM-1200BM/ MS-120BM.This app is a fully working emulator of Casio calculator model DM-1200BM/ MS-120BM. The calculator includes tax and business functions which is very useful for professionals and small business owners.Calculator features:-* 12 digits* Tax calculation (Sales tax/ VAT/ GST)* Percentage (%)* Cost/ selling price/ gross margin calculations* Memory operations* Grand total (GT)* Square root* +/- (Sign change)* Arithmetic constant calculation* Supports regional numeric format with dot (.) or comma (,) as decimal separatorSimple, easy-to-use and reliable. Download this calculator app for free. Upgrade to premium version for ad-free experience. See the help screen for instructions on how to use the special keys.