# Scientific calculator online

This scientific calculator can perform both basic arithmetic and more complex, it computes the cosine, sine, tangent, arc sine, arc cosine, arctangent, logarithm, exponential, radians, degrees, exponentiation, percentages.
Calculator is an electronic computing device to perform operations on numbers or algebraic formulas.
Calculator replaced the manual (mechanical) computational devices like the abacus, the abacus, and mathematical tables (especially tables of logarithms), slide rules, mechanical and Electromechanical adding machines.
Depending on the capabilities and target the scope of the calculators are divided into protozoa, accounting, engineering (scientific), financial.

The buttons scientific calculator:
[ 0 ], [ 1 ], [ 2 ], [ 3 ], [ 4 ], [ 5 ], ... [ 9 ] - digital keys;
[ + ] - addition [ - ] subtraction, [ x ] - multiplication [ ÷ ] division;
[ +/- ] - change the mathematical sign of the number in the display on the opposite;
[ sqrt ] - calculates the number which, when multiplied by itself will give the original – the square root;
[ X^2 ] - raising a number X to the power 2 (squared input value);
[ X^Y ] - raising a number X to the power Y;
[ 1/x ] - if you want to divide one some number;
[ MC ] - clear the contents of memory;
[ MR ] - output the contents of memory on the display;
[ MS ] - save the number that the display on a calculator in memory;
[ M+ ] - memory with the sign [ + ];
[ sin ] - sine of an angle, [ cos ] - cosine of the angle, [ tag] is the tangent of the angle;
[ asin ] is the arc sine of an angle, [ acos ] is the arc cosine of an angle [ atan ] is the arc tangent angle;
[ PI ] is the "π" and it is equal to (3.141592653589793);
[ ← ] - deletes the last character entered on the display;
[ C ] - reset the calculator, but without the memory dump.