Bram Stolk on Twitter: "Trying to explain cos and sin to my kid, and had her verify w a calculator on my iPad. cos( 180° ) is -1. So far so good.
![Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks](https://img.gadgethacks.com/img/51/11/63783210302059/0/your-ipad-has-hidden-built-calculator-youre-not-using-heres-unlock.w1456.jpg)
Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks
![Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks](https://img.gadgethacks.com/img/15/22/63783212301778/0/your-ipad-has-hidden-built-calculator-youre-not-using-heres-unlock.1280x600.jpg)
Your iPad Has a Hidden Built-in Calculator You're Not Using — Here's How to Unlock It « iPadOS :: Gadget Hacks
![The iPad DOES have a very powerful calculator included (this is from my phone, but it works the same), and it's especially easy to activate and use with a keyboard — <command>+<space > The iPad DOES have a very powerful calculator included (this is from my phone, but it works the same), and it's especially easy to activate and use with a keyboard — <command>+<space >](https://external-preview.redd.it/the-ipad-does-have-a-very-powerful-calculator-included-this-v0-tlisU-L9Z0ERC_-IPTGI9F0FTONfap3c7WXyqQtYLIA.jpg?auto=webp&s=d9a028f18234c4528aa3149292d9ccaa2dbd10d0)