The calculator helps you to calculate the present value of money (PV) and the future value of money (FV) in time.

Calculate how much you spend smoking, so how much you could save after quitting smoking.

Rail Fence, Zig-Zag cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Rail Fence, Zig-Zag cipher.

With this calculator you can calculate the HB hardness or the hardness of metals based on the Brinell hardness test.

Thanks to the mathematical calculator, you can easily calculate the determinant of the matrix, find the complement matrix, the transposed matrix, and the inverse matrix.

Thanks to the 4x4 matrix math calculator, you can easily calculate the determinant of the matrix 4x4, find the complement 4x4 matrix, transpose 4x4 matrix, inverse 4x4 matrix.

Rectangular trapezoid calculator will help you calculate the long diagonal of the trapezoid, the short diagonal of the trapezoid, the side length, height, area and perimeter of the trapezoid.

This calculator is a complete tool to calculate the heat loss of your home Whit this calculator, we will find out what the heat losses are, e.g. through the ceiling, external walls, windows, floor in each room of our house, depending on the type of building material, number of layers, insulation and external temperature.

With the help of the math calculator you can easily and quickly calculate the slope, the point of intersection with the Y axis.

Affine cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Affine cipher.

With this calculator you will calculate the geometric mean, also called the power mean of the zero order.

With the percentile calculator you will calculate the percentile position and find the value. Percentile or centile is a measure in statistics that indicates a value for which P Percentage of the Population is equal to or less than that value and 100-P is greater.

Thanks to the calculator, you can quickly and easily calculate how much money you will accumulate in a given period by putting a monthly fixed amount on your account for a specified period of time, giving the annual interest rate.

The FV calculator helps us calculate the future value of the investment. The FV calculator calculates the amount we will receive in the future after validating a given amount now for a specified number of years and after calculating the interest due, assuming that they will be capitalized (added to the capital) with a given frequency (e.g. weekly, monthly, quarterly, semi-annually, annually) .

Use this calculator to calculate the molecular weight of gas.

With this calculator you can calculate the force, mass and acceleration from Newton's Second Law of Motion.

Thanks to the calculator you can calculate the number of letters, the number of words, the number of characters and the number of paragraphs in any text.

The calculator will calculate how much water you should consume to supplement your daily requirement.

Using this translator / converter you can quickly and easily check how to spell each word using the international (and not only) phonetic alphabet.

Check to what extent you are addicted to nicotine.