DUPOTA Desk Calculator 2 Line Large Display Big Buttons Handheld Vat Calculators Dual Solar Power and Battery, with Tax Check Function for Office, Home, School Business（OA-635）

【 2-line Large Display Desk Calculator】12-digit double line large display screen shows input and results simultaneously for real-time checking of tax, accounts or calculation steps. Together with the ergonomic large buttons, it reduces input errors and provides a comfortable experience for all users, especially the older adults. 【Intelligent Vat Function Calculators】Desktop calculator with Tax button, after setting the tax rate, you can directly calculate the pre-tax price, after-tax price and tax, simplifying the complex tax process and saving 90% of the time of accountants and businessmen in tax processing. 【Upgraded Calculator with memory 】Use the arrow keys to view the history of calculation steps and correct errors at any time, without the need to clear and recalculate, doubling the efficiency of audit reconciliation, examination checking, which is ideal for complex calculations. 【Dual Power Supply Basic Calculator】Calculators is powered by solar energy and AAA batteries, not affected by power interruptions during use, can run for a long time, 8 minutes of inactivity, the calculator automatically shut down to reduce the frequency of battery replacement. 【Multipopulation Applicability】 VAT calculator with non-slip pad on the bottom ensures that the calculator is placed securely and is suitable for offices, supermarkets and other scenarios. From tax professionals and office workers to teachers, students and engineers, this calculator is designed for a wide range of applications.