97694
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
220947
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.
46787
Calendar
Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
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46787
Calendar
Calculator seniority in Poland
Calculator to calculate the total length of service after the date of employment or dismissal.
1074599
Building
Insulation of wall
Jak policzyć izolację ścian?
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.
18442
Physical
Resistivity and conductivity
The calculator calculates the resistivity and conductivity of the material from the resistance, cross-sectional area and the length of the element at 20 ° C.
23106
Verifiers
Verifier NRB / BBAN
Calculator allows you to verify the correctness of the entered account number.
19784
Verifiers
Verifier ISMN numbers
Calculator allows you to verify the number entered ISMN (International Standard Serial Number Printing music).