Download hundreds of calculations or create your own with PowerOne calculator.
Several-time Apple staff pick + Best of 2010
"The crme de la crme of calculators" AppAdvice
"Incredibly powerful tool for calculations of all kinds." Smokin' Apps
"You need this calculator. It's miles better than the competition." Robert Burns
" sets the benchmark for other calculators to reach." Fred Swan
"Not sure how I could do my job without PowerOne." Arvid Martin
"A legend. The best calculator app I have ever seen." Worldwide Tech
" PowerOne shines." The Mac Observer
Quick and accurate. Templates act similar to locked-down, mini-spreadsheets that increase accuracy and speed for repetitive calculations. Enter the data you know. PowerOne will calculate the rest.
For those one-off calculation needs, PowerOne provides a powerful standard and RPN calculator. Over a hundred functions to help with virtually anything: basic math, powers, logs, trigonometry, probability, programmers math, fractions, and Imperial and metric units.
Get up and running fast with hundreds of pre-created templates in PowerOne's extensive library. Covers everything: finance, conversions, real estate, business, investing, construction, engineering, health, fitness, and more.
While some calculations are common, there are millions more specific to you or your business. With PowerOne, it is easy to create powerful templates of your own using our intuitive language. You, your team, and your customers can perform their own calculations without ever having to think about the math.
Access PowerOne everywhere. Whether on the go with your iPhone or iPad or at your desk on the web, PowerOne makes sure your critical calculations are available at your fingertips, offline or on.
Keep everyone on the same page. Share your templates with your team and customers, ensuring that everyone is performing the same error-free calculations every single time.
Highly customizable. Go beyond templates with expanded calculator functions and themes! Match your mood and make it the product you want to use every day.
After more than 20 years and 20 million software calculators distributed, Infinity Softworks has earned its reputation for high-quality apps. We'd love to hear from you. Please visit us at https://power.one, or share ideas, get help, and resolve problems by emailing us at email@example.com.
AVAILABLE FOR FREE
Run PowerOne offline on your iPhone or iPad
Run PowerOne online at https://power.one
Full-featured standard and RPN calculator (iOS only)
Access to over 200 library templates
Sample creating your own templates
Share template results via email
Go light or dark with your choice of two themes
Keep your devices in sync automatically
AVAILABLE IN PREMIUM
Over 300 library templates
Create your own templates without limit
Share templates with other Premium subscribers
Access any of the built-in extensions to share or save your results
Choose from 12 themes to customize PowerOne
Support independent iOS developers and your favorite calculator's development!
PowerOne is free to use with some features available via monthly or annual subscription. Payment will be charged to your iTunes account at confirmation of purchase and your subscription will automatically renew unless auto-renew is disabled at least 24 hours before the end of the current subscription period. Automatic renewals will be charged at the same price you were originally charged for the subscription. Please note that subscriptions can be managed by choosing that option via Account within PowerOne or via Account Settings on the App Store after purchase.