# calculator 84: solve math — AI calc & the math answers > Voice-activated AI calculator with traditional interface and Q&A. (iPhone/iPad app by Hangzhou Xiaoxi Software Technology Co., Ltd.) - Source: https://appshunter.io/ios/app/calculator-84-solve-math/id6448225924 (this page in markdown: same URL + `.md`) - Developer: [Hangzhou Xiaoxi Software Technology Co., Ltd](https://appshunter.io/developer/1527216935) - Category: Utilities, Education - Price: Free with in-app purchases - Rating: 3.67/5 from 3 App Store ratings - Age rating: 4+ - Requires: iOS 14.0 · 49 MB - Languages: English, Japanese, Korean, Chinese, Chinese - Released: 2023-04-28 - Data updated: 2026-06-10 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/calculator-84-solve-math/id6448225924/reviews.md ## What is calculator 84? Voice Calculator is a powerful calculator app that allows you to input and modify calculations using your voice, eliminating the need for manual input and increasing efficiency for users. Additionally, Voice Calculator also provides a traditional calculator page for users to access when needed. It's the perfect choice for efficient calculations! Features: 1.Calculation through voice recognition - You can input calculation expressions using voice commands, as Voice Calculator is equipped with an AI voice recognition engine that accurately recognizes your speech and immediately performs calculations. This makes calculations faster and more convenient. 2.Modify previous results through voice - Voice Calculator also supports modifying the previous calculation result through voice commands. Simply use your voice to input the desired modification, and the app will update the previous result accordingly. This interaction makes the calculation process more natural and user-friendly, greatly improving the user experience. 3. Brand New AI Q&A Feature: Regardless of your calculation problem, whether it's a simple math question or complex formula computation, just ask, and you will receive an accurate answer. Our AI Q&A engine will understand and answer your questions. 4. Traditional calculator page - If you need to perform more complex calculations, you can switch to the traditional calculator page within the Voice Calculator app to fulfill your more extensive calculation needs. Overall, Voice Calculator is an efficient, convenient, and flexible calculator app. It greatly improves the efficiency and accuracy of calculations through voice input and voice change interaction methods. Now, we've gone a step further by introducing the AI Q&A feature. Regardless of your doubts, you can find answers here. It also features a traditional calculator page, which can help to meet different calculation needs. Even if you're not a math whiz, with the Voice Calculator, you can quickly complete complex calculations and save time. This subscription will automatically renew through your iTunes account. The renewal fee will be charged according to your chosen package within 24 hours before the current subscription period ends. You can manage or cancel automatic renewal through your account settings, but cancellation must be made at least 24 hours before the current subscription period ends. If your trial is still ongoing, the remaining days will expire automatically after you subscribe. By starting your subscription, you agree to the following terms: Privacy Policy: https://www-calculate.gitlab.io/privacypolicy/ Terms of Use: https://www-calculate.gitlab.io/terms-of-use/ ## Key features - Voice command calculations - Modify previous results by voice - AI-powered math Q&A - Traditional calculator interface - Efficient and accurate calculations ## Pricing and in-app purchases Base price: Free. **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | 终身会员 | $1.99 | one-time | ## Frequently asked questions about calculator 84 ### Does calculator 84 have ads? Yes, calculator 84 contains advertisements. This is common for free utility apps that offer in-app purchases for enhanced features. ### How do I cancel my subscription for calculator 84? You can manage or cancel your automatic renewal through your iTunes account settings. Cancellation must be made at least 24 hours before the current subscription period ends. ### What devices does calculator 84 support? calculator 84 is available on iPhone, iPad, and iPod. It is designed for Apple devices. ### What is the age rating for calculator 84? calculator 84 has an age rating of 4+. This indicates it is suitable for children and general audiences. ### How often is calculator 84 updated? The latest version of calculator 84 was released on July 31, 2023. Updates typically occur to improve functionality and add new features. ### What are the benefits of using calculator 84's voice features? The voice features allow for hands-free input and modification of calculations, making the process faster and more convenient than traditional manual input. ### Can calculator 84 help with complex math problems? Yes, calculator 84 features an AI Q&A engine that can understand and answer complex math questions and formula computations, in addition to its traditional calculator page. ### What is the user rating for calculator 84? calculator 84 has a rating of 3.7 stars based on 3 user ratings. This provides a general indication of user satisfaction. ## Version history (last 5 releases) ### 1.6.0 — 2023-07-31 1. Add theme switching feature. 2. Optimize product experience. ### 1.5.1 — 2023-06-12 Fixed some known bugs. ### 1.5.0 — 2023-06-05 Version 1.5.0 is here! In this update, we've introduced a brand-new AI Q&A feature. Now, you can freely ask all kinds of computation-related questions, and the AI Assistant will intelligently provide answers. In this version, you will experience: New AI Q&A feature: Whether it's a simple math question or a complex formula calculation, just ask, and you will receive an accurate answer. Improved voice recognition: We've optimized our voice recognition feature to better understand your questions, making your calculation process more seamless. We've fixed some known bugs and improved app performance and stability. ### 1.4.0 — 2023-05-21 * Optimize user experience * Fix bugs ### 1.3.0 — 2023-05-18 * Fix bug ## More apps by Hangzhou Xiaoxi Software Technology Co., Ltd - [LED Lamp Pro.](https://appshunter.io/ios/app/led-lamp-pro/id1539245819) - [真好看查妆 - 化妆品日期查询&肤质检测](https://appshunter.io/ios/app/and/id1550411532) - [ChatSpeak：AI English Tutor](https://appshunter.io/ios/app/chatspeakai-english-tutor/id6447232221) - [动态壁纸大全 - 高清手机动态壁纸](https://appshunter.io/ios/app/id6471396464) All apps by Hangzhou Xiaoxi Software Technology Co., Ltd: https://appshunter.io/developer/1527216935 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*