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.

Thanks to this calculator, you can calculate how many bags we need and what weight of plaster will be needed to plaster the wall depending on its type and thickness of the applied layer.

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 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.

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

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.

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 voltage drops for single-phase and three-phase AC circuits calculated from the rated current. You will also calculate wire length, wire diameter, wire cross-sectional area, voltage or current.

Hexagon calculator will help you calculate the long diagonal of the hexagon, the short diagonal of the hexagon, the side length, height, area of the hexagon, the radius of the circumscribed circle and the radius of the circle inscribed in a regular hexagon.

You can easily and quickly calculate the roots of a cubic function or cubic equation otherwise known as a third degree equation.

Thanks to the WACC calculator, we will calculate the average relative cost of capital employed in financing investments by the enterprise.
The weighted average cost of capital takes into account the diversification of the investment financing structure and the various costs of individual capital components, and indicates the average relative cost of the enterprise engaging a given capital.

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.

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

You can calculate any system of linear equations, both homogeneous and heterogeneous with any number of unknowns by Gauss-Crout elimination method.

You can calculate any system of linear equations, both homogeneous and heterogeneous with any number of unknowns Using the Inverse of a Matrix method.

Is the chosen weight loss plan adjusted to your needs and possibilities and will it bring the expected results?

The key to success in dietary plans is its proper selection. However, too often we choose plans that are not tailored to us, resulting in ineffectiveness and discouragement, and consequently the quick abandonment of the plan.

Use this test to find out also what factors a tailored diet plan should contain and training sessions. And it's best to apply this test to the already selected plan so as not to waste time on a wrong diet and training.

The calculator calculates how much energy we spend by performing selected activities within the given time. This can help you plan your daily calories burned for example.

Using this calculator you can calculate the molar concentration of the solution, ie the number of moles of a given chemical substance that contains 1 liter of solution.

With this calculator you will calculate the harmonic mean.

Calculator of the amount of concrete needed to build a foundation slab or a concrete ceiling.