Use for work, school or personal calculations. You can make not only simple math calculations and calculation of interest on the loan
and bank lending rates, the calculation of the cost of works and utilities.

Commands for the online calculator you can enter not only the mouse, but with a digital computer keyboard.
Detailed instructions for using the calculator, see below.

## Instructions for using the online calculator

### Keys function

[ 0 ], [ 1 ], [ 2 ], ... [ 9 ] - standard number keys;

[ 00 ] - key input 2 zeros;

[ → ] - remove the last character on the display;

[ +/- ] - change the mathematical sign of;

[ Xʸ ] - calculation of X to the power of Y;

[ √ ] - calculate the square root;

[ + ] - addition, [ - ] - subtraction, [ х ] - multiplication, [ ÷ ] - division;

[ % ] - calculate interest;

[ M+ ] - stored in the memory with the sign [ + ];

[ M- ] - stored in the memory with the sign [ - ];

[ MR ] - get the contents of memory;

[ MC ] - get the contents of memory;

[ AC ] - reset the last digit of the;

[ C ] - reset the last digit of the.

### Examples of calculations on the online calculator

Calculate the square root of 529: 529 [ √ ] . Result - 23.

Raise the number 3 to a power 4: 3 [ Xʸ ] 4 . Result - 81.

Calculation of percentage of the number of: 500 [ х ] 25 [ % ] . Result - 125.

Adding percentage to the number: 500 [ + ] 25 [ % ] . Result - 625.

Deduction percentage of the number : 500 [ - ] 25 [ % ] . Result - 375.

### Enter commands from the keyboard PC

To use free online calculator you can use both ordinary numeric buttons at the top of
a keyboard and numeric buttons on the right of a keyboard.

To enter [ = ] - key [Enter].

To erase the last character - [Backspace] (arrow keys).

To enter [ + ] - key [ + ] at the top or [ + ] key on the numeric keypad on the right.

To enter [ - ] - key [ - ] at the top or [ - ] key on the right.

To enter [ x ] (multiplication) - key [ * ] on the numeric keypad on the right or a combination of keys[ * ] and [ Shift ].

To enter [ ÷ ] (divide) - key [ / ] on the numeric keypad on the right or a combination of keys [ : ] and [ Shift ].

### Frequently asked questions about the calculator

Why do we get 8 when trying to calculate 2+2x2 with a calculator?

Calculator performs mathematical operations in accordance with the order they are entered. You can see the current math calculations in a smaller display that is below
the main display of the calculator.

Calculations order for this given example is the following:

2+2=4, subtotal - 4. Then 4x2=8, the answer is 8.