Calculator for cosine, arc cosine, hyperbolic cosine and area cosine.

With the COSINE Trigonometric Calculator you can calculate the values of any cosine function. In addition to the response results, the calculator will also plot the selected function. You can choose one of the preset functions, e.g. cosine, cos ^{ 2 } - cosine square, arccos - arccosine, cosh - hyperbolic cosine, arcosh - function inverse to cosh, you can also enter your own function, e.g. cos(x ) * cos(x) * cos(x) for cos^{3}(x), cos(2x), cos(x+3), cos(x^2) etc.

You can use for calculations:
numbers 0-9 , e.g. 123.45. Very large numbers can be written as 2.5E20 for 2.5 * 1020, very small numbers can be written as 3E-10 for 3 * 10^{-10}. The decimal places can contain up to 12 digits because of the decimal point;
you can use (.,) a period or a comma as a decimal separator, e.g. 1.5 or 1,5 ; () [] {} <> e.g. {[(1 + x) / (2-x) +1] * 3} / (2 * x ^ 2), can be used in any amount. Each open parenthesis must be closed. It doesn't matter what kind of brackets you choose; # as a separator for multiple output values, e.g. cos(pow(x # 2)); + Plus, e.g. cos(x + 1) ; - Minus, e.g. cos(1-x) ; * Times, the multiplication sign can be omitted when it is between a letter and a number e.g. you can write cos(2x) instead of cos(2 * x) but you must not write xcos(x) or cos(ex); /: Division. 1/x or 1:x ; e Euler's number: 2.718281828459; pi π , Pi: 3.1415926535898; pi2 π /2, Pi/2: 1.5707963267949; sq2 square root of 2:1.4142135623731; go the golden ratio ratio: 1.6180339887499; d Feigenbaum constant - delta: 4.6692016091030; ^ or pow A power, e.g. cos(x^2) or cos(pow(x#2)) for cos(x^{2}). The root can be written e.g. x^(1/2) or x^0.5 for the square root of x, for an exponential function like this: e^{x} the notation could be e^x; The root of a negative value can only be written when the numerator of the power is 1 and the denominator is different (eg x^(1/3) ). To calculate the negative value of x for e.g. x^(2/3) , write this function as (x^(1/3))^2 ; sqr The square root of e.g. cos(sqr(x)) is the same as cos(x^(1/2)); exp An exponent, e.g. cos(exp(x)) is the same as cos(e^x); log Natural logarithm, e.g. cos(log(x)) ; log10 Decimal logarithm, e.g. cos(log10(x)) ; logn Base n logarithm, e.g. cos(logn(2#x)) for binary logarithm;

Also use: deg converts a number in radians to the equivalent in degrees, e.g. cos(deg(pi)) rad Convert degrees to number in radians, e.g. cos(rad(180))

To get the result, select the appropriate function or enter your own and in the Values field enter a value or values separated by a space (e.g. 2 5 8 10).

How far is the storm? How close is lightning? Is the storm looming or is it moving away? Surely everyone has asked themselves such questions. That is why we have created a lightning distance calculator with which you can easily check it.

With the converter, you can quickly translate any sentence into Morse code and vice versa. You can listen to the translated code, see it thanks to the light signals or, using the phone, feel it through vibration.
Morse code is used nowadays mainly in amateur radio, it is also useful in many other areas of life.

Thanks to the calculator, you can easily calculate the amount of calories you burn every day.
There are over 600 different activities available, from which you can choose those that were or will be performed on a given day and set the duration for each selected activity.

As a result, the calculator will provide the total duration of all activities, the sum of calories burned and the number of calories consumed for each activity separately, including the time of its execution. The calculator also tells you how many hours you need to constantly perform a given activity to lose weight by about 0.5 kg, taking into account your weight.

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