97401
Calendar
Perpetual calendar
jak obliczyć dzień tygodnia na podstawie daty?
Calculator gives what day of the week for the date specified by the user.
Long description
see similar
220594
Calendar
Date calculator
Calculator allows you to calculate the date, which will be after a specified number of days, months and years from a certain date.
46441
Calendar
Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
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28528
Math
Field parabola
The calculator calculates the surface area of the parabola with the given base width and length of the perpendicular [see calculator squareness]. The result is given as the user input unit square.
29975
Math
The harmonic mean
Calculator based on the entered numbers separated by commas calculate the harmonic mean.
23953
Savings
Buying on credit or leasing
Calculator allows you to compare the costs incurred when buying a car on credit and taking it on lease.
52287
Life
Calculator - dosage of CO2 in the aquarium
Ile co2 w akwarium?
Dawkowanie co2 w akwarium.
The online calculator by entering the pH and kH values to calculate the concentration of CO2 in the aquarium.
23392
Verifiers
Verification of the REGON number in Poland
Verifier allows you to validate entered REGON number