RCalculator

RCalculator is a fast and safe application that contains a hidden notebook that not everyone can find. What's more, this notebook is password-protected, which guarantees the safety of your data.
Hard work is underway to create a high-quality and convenient application that not only meets all technical quality parameters, such as: fast speed, minimum battery consumption and saving the memory of your device, but also a design in which special shades are selected to reduce the load on Your eyes.

Terms and conditions: https://datainformation.my.canva.site/welcome-these-are-our-terms-of-use-and-govern-your-use-of-the-app-please-read-these-terms-and-conditions-carefully