Simple calculator

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.