"PCalc" is a printing calculator developed by lucasoft. It is a specialized calculator for sales, suitable for both home and workplace use. The calculator can be connected directly to a thermal printer via Bluetooth.

The main calculation modes of PCalc include a printing calculator, date calculator, currency exchange calculator, discount calculator, tax calculator, calculator of sales prices, profit margins, and costs, and a percentage calculator.

In addition to these features, PCalc offers several unique capabilities. It is the only calculator with a double inverted screen, allowing users to view calculation results from both sides of the calculator. This is particularly useful for clients who want to verify the calculations being made. The calculator is optimized for both smartphones and tablets, with different keyboard layouts for each. It has a 10-digit integer display and a 9-digit decimal display, with support for up to 5 decimal places. Users can customize the decimal and thousands separators based on their regional settings. The calculator also offers features such as sign change, repetitive calculations with constants, and function command signs that indicate the type of operation being performed.

Furthermore, PCalc allows users to customize the exchange rate of a currency, including separate sale and purchase values. It has an infinite calculation history that can be exported to different formats. For larger screens, such as 10-inch tablets, the calculator allows users to modify the width of the keyboard for a more comfortable and efficient typing experience.

"PCalc" is a unique, intuitive, and powerful printing calculator. The free version is available for download, and users have the option to temporarily remove ads by watching reward videos or permanently remove ads by purchasing the Premium version of the calculator.