If you're a huge Apple fan and own or have used an iPhone, iMac, Apple Watch and even a Macbook, you would have noticed that they all have a native calculator app. But the Apple iPad doesn't, which seems quite strange as you're more likely to use a calculator on an iPad over an Apple Watch. Well, there is a reason for this. Whether or not it's a good or bad reason, we'll leave that up to you to decide.
Software and user experience designer frontman, Scott Forstall, added a calculator app into the system when developing the original Apple iPad. It was just a scaled-up version of the one used on the Apple iPhone of the time. However, when Steve Jobs found out about this, he wasn't nearly satisfied with the visual look or the user experience. This went on, back and forth, with new design changes to the calculator app for the iPad, but it would never meet Steve Jobs' expectations.
Steve Jobs was adamant that he would only release a product if it was absolutely perfect. He would not even offer these features if they were not up to scratch.
However, Steve Jobs is not even the CEO of Apple anymore. During an interview with Marques Brownlee and Apple's Senior Vice President of Software Engineering, Craig Federighi, the iPad calculator app mystery was brought up yet again. Craig explained that the issue hadn't changed and that they (Apple) would prefer to perfect the user experience of the calculator app than to just put one in the iPad that's mediocre.
Whether or not this is the real reason why there is no native calculator app offered on the iPad, we will never know. However, thankfully, there are several third-party options available on the App Store.
Take a look at the video below by the YouTube channel, Apple Explained, on Why The Apple iPad Doesn't Have A Calculator App.