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

The WHR calculator calculates the ratio of waist circumference to hip circumference.
Thanks to the Talia-Hips calculator, we will find out what type of obesity we have, what is the risk of hypertension, coronary diseases, stroke, atherosclerosis and diabetes, and we will learn the average standard WHR for our gender and age.

Using the calculator you can calculate the molecular weight of any chemical compound.

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.

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

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

Use this calculator to calculate the molecular weight of gas.

The calculator will help you calculate deltoid (kite) diagonals, side lengths, area, perimeter and radius of the inscribed circle. Each size can be calculated using many formulas, just indicate what data we have.

Are your hair falling out, are you starting to go bald? Use this calculator and check the probability and age at which you may be at risk of total hair loss.

Check to what extent you are addicted to nicotine.

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.

With this calculator you can quickly calculate the centrifugal force. You will also calculate the mass of the body from velocity, radius and force, the radius of the circle given the mass of the body, the force and speed and the speed of the object moving in the circle given the given force, mass and radius.

With this online function graph plotter, you can draw any function. On one graph you can draw any three functions and compare their parameters. You can create graphs for many equations and functions.

This calculator helps us check whether the planned investment will be profitable and whether the project should be accepted or rejected.
Thanks to the calculator, we can calculate:
NPV (Net Present Value) - sum of discounted net cash flows
PI (Profitability Index) - investment profitability
IRR (Internal Rate of Return) - internal rate of return
DPP (Discounted Payback Period) - discounted payback period
Value of discounted net cash flow for each period.

Calculator of the arithmetic mean of a series of distributing class intervals.

With this calculator you can calculate the gravitational acceleration of a body pulled by another body. The calculator will also help to calculate the distance between the centers of the attracting bodies and the mass of the body producing the gravitational field and attracting the body for which the gravitational acceleration is given.

Triangle calculator will help you calculate the area, perimeter, sides, height, angles of any triangle, right triangle and equilateral.

With this calculator, you will calculate the exact tire pressure required for your bicycle tires on the front and rear wheels depending on the load, wheel size, bicycle weight, 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.

With this calculator, you can calculate the resistance of the cable, knowing the material it is made of. You can also calculate the length of the conductor and the conductor diameter or the conductor cross-section area.