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Physical
Core area
The calculator calculates the optimal surface for the heat sink temperature indicator.
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Calculator resistance resistor ( bars)
Calculator gives the resistance of the resistor based on the introduced color bars.
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Physical
Parallel connection of resistors
The calculator calculates the equivalent resistance of two resistors connected in parallel.
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Physical
Associated force of the hydraulic piston and the cylinder
Hydraulic cylinder is a mechanical akutatorem used for power transmission line by a linear thrust. Through the movement of the piston up and down over the forces and pressure. This calculator is used to calculate the two forces given angle for each operation.
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Financial
Key indicator Return on assets (ROA)
Calculator based on the values entered in net profit and assets are calculated return on assets ROA. ROA is a measure of return on assets. This ratio indicates a company's ability (and more specifically - of its assets) to generate profit.
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Building
Calculator floor panels
Calculator based on the dimensions of the area to put the panels and occupancy data on number of panels in one package, calculate how much you have to buy packages of panels to cover the entire room.
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Math
Mean and covariance matrix calculator
Covariance is a measure of the covariance of two variables (X and Y). The calculator calculates the average for the sample and the covariance between variables. Sets of X and Y must be the same number.
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Insulation of wall
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Calculator allows you to calculate the amount of insulation panels needed to cover the walls of the building using the "light wet" or "dry light" methods.