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David Pescovitz / 4:48 am Fri, May 5, 2017

You can backspace on the iPhone calculator

Here's how's it's done:

PSA: you can backspace on the iPhone calculator pic.twitter.com/sBJMlANDNJ

— CENSORED dialogue (@censoredialogue) May 3, 2017

David Pescovitz / 9:43 am Thu, Mar 9, 2017

Incredibly fast calculator fingers in Japan

"Before a finger leaves a key, the next key is already being pressed. She is making 9 keystrokes per second."

(From the Japanese TV series Begin Japanology)

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