# Online calculator

This online calculator - easy assimilation and suitable for a broad audience of Internet users. Online calculator to calculate mathematical functions: trigonometric, matrices, logarithms, equations, and graphing. There are all the necessary functions, loads quickly and does not require installation on your PC .. He is considered at the moment one of the best services of interactive mathematical calculators. The main advantage of this online service - is to use scientific calculator from any computer or mobile device at any convenient time for you. You can use it around the clock, the main thing was to connect to the Internet. Also another good help is the fact that the service provided by this calculator is absolutely free and does not require any registration for users.

Interactive calculator is able to perform both simple and complex mathematical calculations: the extraction of roots, logarithms, trigonometric functions, percentages, matrix computation, factorials, integrals, fractions, vectors and complex numbers, solving complex mathematical formulas, equations of simple and complex systems of equations, so differential equations and their systems, and many other calculations.

It is also possible to build a variety of graphs, which is extremely convenient for quick and intuitive solutions to complex mathematical problems for engineers, students and schoolchildren.

## Buttons and commands calculator

The list below shows all the keys and commands the calculator and the operations they perform.

Key | Symbol | Operation |
---|---|---|

pi | pi | The constant pi |

е | е | The number of Euler |

% | % | Percentage |

( ) | ( ) | Open/Close brackets |

, | , | Comma |

sin | sin(α) | The sine of the angle |

cos | cos(β) | Cosine |

tan | tan(y) | Tangent |

sinh | sinh() | The hyperbolic sine |

cosh | cosh() | The hyperbolic cosine |

tanh | tanh() | The hyperbolic tangent |

sin^{-1} |
asin() | Reverse sinus |

cos^{-1} |
acos() | inverse cosine |

tan^{-1} |
atan() | Reverse tangent |

sinh^{-1} |
asinh() | Inverse hyperbolic sine |

x^{2} |
^2 | Squaring |

x^{y} |
^ | Exponentiation |

10^{x} |
10^() | Exponentiation base 10 |

e^{x} |
exp() | Exponentiation Euler number |

√x | sqrt(x) | The square root |

^{y}√x |
sqrt(x,y) | Removing the root |

log | log(x) | Logarithm |

ln | ln(x) | The natural logarithm |

log_{y}x |
log(x,y) | The logarithm |

mod | mod | Division with remainder |

! | ! | Factorial |

i / j | i / j | The imaginary unit (complex number) |

Re | Re() | Highlight the entire real part |

Im | Im() | Exception real part |

|x| | abs() | The module number |

/x |
arg() | The argument |

()_{3} |
() | Vector with 3 parameters |

()_{4} |
() | vector with 4 parameters |

Deg | Degrees | |

Rad | Radians | |

Additional functions (manually typed on the keyboard) | ||

ncr() | The binomial coefficients | |

gcd() | NOD | |

lcm() | NOC | |

sum() | The total value of all decisions | |

factorize() | Factorization | |

diff() | Differentiation | |

Matrix() | Matrix | |

Solve() | The equations and systems of equations | |

Plot() | Plotting |