Free calculator app for iPhone 1. No ads and super fast startup speed 2. Calculation history 3. Visual input 4. Voice broadcast 5. Backspace key 6. Support one-handed operation calculation 7. Show or hide scientific computing functions 8. Keyboard sounds (19 sounds) 9. Keyboard colors (24 colors) 10. Keyboard vibration 11. The number of decimal places 12. Thousands separator 13. Scientific calculator calculator with pi calculator with exponents calculator with square root calculator with negative calculator with log calculator with trig calculator with angles and radians calculator with e calculator with factorial calculator with root calculator with brackets SUBSCRIPTION PRICING AND TERMS This calculator can renew subscription automatically to help you unlock all content and features. Prices may vary from country to country and actual charges may be converted to your local currency based on the country of residence. Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Read more about our terms and conditions here: Terms of service: https://weibo.com/5580956204/I55tg3VVB Privacy policy: https://weibo.com/5580956204/HB9vBf59c [email protected]