Minimum Calculator and Note appThis app has Four arithmetic operations Calculator (Calc) and Note. One hand usable design. FeaturesCalc・Calc page is Ad Free! You can concentrate the work. ・It enables to use one hand. ・Four arithmetic operations calculator. Very Simple Style! ・Undo, Redo ... Common function isn't it? ・Keep backlight ・Key Vibration ・Calculation History ・VAT (Tax) calculation function ・Discount function Note・Note down 200 words message for Calculated result ・Grouping function ・Total in Group numbers (Sum Function) ・Import & Export CSV File about advertisementCalc page is ad-free. But other page has ad. This app has subscription plan.