This calculator was created as a simple and convenient tool for everyday use. It has a number of functions that help make calculations more convenient and there are no unnecessary incomprehensible or even meaningless.

DESCRIPTION OF CALCULATOR:
• Simple and clear design in which there are no distracting elements. At startup it is immediately clear where to click and what to do.
• The calculation line under the result. Simultaneously you can see the result and the original data - this reduces the number of errors. Do not double-check the result if it seemed that you made a mistake when entering data.
• Protection against incorrect data entry.
• Convenient work with memory.
• Change the sign of a number by clicking on it.
• You can copy the result or number from memory to the buffer by long pressing on it.
• You can delete the data character by character. It is very convenient if you make a mistake with the input - it allows you not to type everything anew but only to correct the error.
• Tactile feedback when buttons are pressed.
• Large buttons difficult to miss.

CAPABILITIES:
• Basic mathematical operations - addition subtraction multiplication division.
• Calculation of operations with interest.
• Working with memory.