Old bearded man using imaginary calculator. Retired senior grandpa extremely exctied using invisible device for copyspace.
Old bearded man in suit taking selfie with excitement. Senior man looking at his smartphone laughing and wondering.
Pov surprised man typing fingers screen at house. Wondering guy face watching digital device making amazed expression at home closeup. Bearded freelancer hands zooming display increasing object alone
Closeup girl face wondering enjoying in digital glasses. Modern industry specialist checking inspecting metaverse project. 3D goggles woman looking invisible screen alone. Future device concept
Senior bearded man working on invisible touch screen.
Old bearded man using big virtual screen. Portrait of a senior retired touching invisible device, window background.
THE SLIDE RULE - Vintage calculating device. Macro shot in 4K. Version 1 of 2.
Woman at surgery operation with dropper in her hand connected to lifeguard device calculating parameters
Closeup view of calculator display with calculations indoors. Numbers appearing on screen calculating device. Accounting finance economy budget concept.
Bearded doctor with a calculator. make calculations of price and satisfied of it
Male bearded doctor in clinic calculate high price for treatment.
Close-up top view hundred dollars counting in banknote counter. Cash money calculating in device closeup.