# Vintage Calculator Apps iPhone Gets Old School With Hewlett Packard By Shelby Lee Walsh | Published 2009-07-01 | Tech Source: Trend Hunter, https://www.trendhunter.com/trends/vintage-calculator-apps-iphone-hewlett-packard References: [designboom](http://www.designboom.com/weblog/cat/16/view/6848/retro-calculators-go-digital.html) & [hp](http://www.hp.com/) Vintage [iPhone](https://www.trendhunter.com/trends/moodcamera) apps are all the rage. Whether it be a rotary phone app or this old school [Hewlett](https://www.trendhunter.com/trends/riot-games-6) Packard calculator app, there is no doubt that we are seeing styles of the past being revived in the present. The three vintage calculators are replicas of the [HP](https://www.trendhunter.com/trends/hp-sprocket-photobooth) 12c, HP platinum and HP 15c. The programs work almost identically to the original calculators and you even get a sense of using the device in 3D with the aid of the programs technology and the infinite capabilities of the iPhone. It’s time to crunch some numbers in style. ## Trend Insights (Trend Hunter) - Score: 4.6/10 - Popularity: 62% | Activity: 68% | Freshness: 8% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Tech](https://www.trendhunter.com/tech) > [Mobile](https://www.trendhunter.com/mobile) ## Key Themes ### What Makes This Trend Stand Out - **Vintage Calculator Apps:** Opportunity for disruptive innovation by bringing vintage calculator experiences to modern smartphones. - **Revival of Old School Styles:** Chance for disruptive innovation by reintroducing retro design elements to modern technology. - **3D Simulation in Mobile Calculators:** Opportunity for disruptive innovation by integrating 3D technology into calculator apps for enhanced user experience. ### Sectors Adopting This - **Mobile App Development:** Opportunity for disruptive innovation in developing vintage calculator apps for modern smartphones. - **Retro Tech Revival:** Opportunity for disruptive innovation in reviving old school designs and incorporating them into modern technology. - **User Experience Design:** Opportunity for disruptive innovation in incorporating 3D simulation into mobile calculator apps for improved user engagement. ## Related on Trend Hunter - [Calculator Software Projects](https://www.trendhunter.com/trends/calculator-drawer.md) - [Vintage Photo Camera Apps](https://www.trendhunter.com/trends/moodcamera.md) - [Slick Design-Forward Calculator Collections](https://www.trendhunter.com/trends/design-calculators.md) - [Tablet-Friendly Calculator Tools](https://www.trendhunter.com/trends/calculator-app.md) - [Customizable Calculator Tools](https://www.trendhunter.com/trends/designable-calculator.md) - [Classic Calculator-Inspired Timepieces](https://www.trendhunter.com/trends/casio-ca53wb.md) - [Vintage Imaging Kits](https://www.trendhunter.com/trends/pgytech-retrova.md) - [All-in-One Calculator Tools](https://www.trendhunter.com/trends/pocketcalc.md) - [Retro Calculator Watches](https://www.trendhunter.com/trends/ca500webf.md)