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Spreadsheet Day with light blue background + diagrams – Postcard 6×4 model 321
Today about the spreadsheet! Do you know when the first spreadsheet for computers was created? Well, in 1961, Richard Mattesich created the first spreadsheet to support the work of accountants. Do you use a spreadsheet at work or at home?
6,15 € -
Electricians Day with light blue background + people, lights – Postcard 6×4 model 321
Power engineers have their day today! Dear Power Engineers – we wish you only positive energy, voltage in the networks and no breakdowns!
6,15 € -
Safe Driving Day with white background + people, lights – Postcard 6×4 model 321
Today is Safe Driver’s Day! We wish all drivers a good road, no traffic jams, as few fines as possible and that the fuel will not be expensive anymore! Beloved, drive safely!
6,15 € -
Nikola Tesla Day with yellow background + faces, lights – Postcard 6×4 model 321
An eccentric genius who authored nearly 300 patents out of 125 inventions, including:
an electric motor, an alternating current generator, a dynamo, a hydroelectric power plant, a transformer or a disk turbine.
From his name, the SI unit of magnetic induction is called. Today is Nikola Tesla’s day!6,15 €