Check to what extent you are addicted to nicotine.

Rectangle calculator will help you calculate the diagonal of the rectangle, the side length, height, area of the rectangle.

Using the calculator, you can easily determine the daily need for carbohydrates, proteins and fats. As a result, the calculator will tell you how many calories and by weight you need per day and how many in each meal.

With this statistical calculator, you will learn how to calculate a linear regression step by step.

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.

Using the calculator, you will calculate the resting metabolic rate (RMR) and the amount of calories needed to supplement, i.e. burned by the body while resting.

Trifid cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Trifid cipher. You can use any shift and additionally a key for more precise text encoding.

Trapezium (trapezoid) calculator will help you calculate the long diagonal of the trapezium, the short diagonal of the trapezium, the side length, height, area and perimeter of the trapezium.

Caesar cipher online encoder and decoder. Encrypt and decrypt any cipher created in a Caesar cipher. You can use any shift and additionally a key for more precise text encoding.

With this calculator, you can easily calculate the cost and amount of wallpaper needed to make any room.

With the CATENARY Trigonometric Function Calculator, you can calculate catenary chain curve values. In addition to the response results, the calculator will also plot the selected function. You can choose a ready-made function, e.g. cat(?#X) where for ? you will substitute e.g. 2 for catenary two which will be equal to 2*cosh(x/2) or enter your own function e.g. cat(2#x^2) for 2*cosh((x^2)/2), cat(2#x+3) for 2*cosh((x+3)/2) etc.

using a percentage calculator, you can calculate in a simple and quick way sums, differences, products and percentages .

The calculator will help you choose the size of the bike, bike frame, wheel size depending on the type of bike, your height, leg length or age.

The reactive power calculator in AC circuits will help you easily calculate reactive power, voltage and current.

Height calculator will help you calculate what height your child will have in the future, ie when it stops growing. Predicted Adult Height

With the GUDERMANN trigonometric function calculator you can calculate the values of the hyperbolic amplitude. In addition to the response results, the calculator will also plot the selected function. You can choose a ready-made function, e.g. gd(x) or arcgd(x) as the inverse of the Gudermann function, or enter your own function, e.g. gd(x^2), gd(x+3), etc.

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.

You can calculate step by step any system of linear equations, both homogeneous and inhomogeneous with any number of unknowns by the Cramer's method. As a result, in addition to the solution, you also get a complete analysis and presentation of calculations step by step.

Flooring Calculator is a complete tool to calculate the costs and materials needed to lay a wooden floor. Thanks to the calculator, we will find out how many packages of panels, underlay, vapor barrier foil under the panels, skirting boards, connectors, corners and plugs will be needed, as well as the cost of all materials including labor.

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