The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
Weighted average ratings
The calculator calculates the weighted average of the ratings of the following items.
Trigonometric functions calculator
Calculator by entering an angle in degrees or radians calculated values of the basic trigonometric functions.
Arabic numbers Converter - Roman
Calculator converts numbers to roman Arabic or Roman to Arabic vice versa. The maximum value that the calculator correctly parse the number 3999.
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Inductance linear guide
The calculator calculates the inductance of the linear guide based on input of diameter and length.
The distance calculator between cities Polish
Calculator helps you calculate the distance in a straight line between two selected major Polish cities.
Replenishing fluids - FFP (fresh frozen plasma)
Calculator based on the entered weight calculates the amount of fresh frozen plasma for transfusion in ml / hour due to the loss of fluids (sweating, bleeding, and other pathological processes).
Examine the variability of the quadratic function
Calculator examines the variability of the course of a quadratic function in the field of real numbers.