PrefixCalc vs DayNote

This calculator supports Metric‑prefix such as kilo and giga. The calculator supports quetta (10^30) and quecto (10^-30), which were added in 2022. Main Functions ・Support for arithmetic operations (+ - ×÷) ・Results converted to Japanese numerals for display ・Delete one character at a time with the "DEL" button 　Press and hold to delete all ・Press and hold to copy calculation formulas and results 　English (Short scale, Long scale) and 　Chinese numerals can also be selected. ・Calculations that include prefixes such as 2M+1k, 2M×1μ, etc. Note: ・Very large numbers that exceed 200 digits may be rounded off for display and calculation purposes. 　Please note this when precision is required. ・Short scale and Long scale are currently supported up to 10^198. ・Kanji notation is supported up to 10^72. 　If it is greater than the number, it will be displayed in Arabic numerals.

DayNote is an elegant journaling application that helps you record life's moments, capture inspiration, and cherish beautiful memories. DayNote is ad-free, account-free and server-free. Your data stays on your device and syncs across your devices via Apple iCloud. We cannot access or view your information. Core Features: Journal Management Create and edit journal entries with rich text formatting, add tags for categorization, drag-and-drop sorting, and easily organize your thoughts. Media Support Insert photos, videos, and other multimedia content to record more vivid life moments, with support for image recognition and voice input. Calendar View An intuitive calendar interface to view and manage journals by date, easily review past entries, and support quick navigation. Data Statistics Detailed writing data analysis with visual charts showing writing frequency and word count statistics, supporting daily/weekly/monthly/yearly views to track your writing habits. Smart Features CloudKit synchronization ensures real-time data sync across multiple devices, never losing your precious memories. Suitable For: Students: Record study notes and cherish campus life Professionals: Document work reflections and organize thought processes Creators: Capture inspiration and accumulate creative materials Anyone who loves life and enjoys recording moments Start your journaling journey and let every precious moment be properly cherished. Auto-Renewal Membership Service Description [Subscription Period] - Annual Subscription (1 year) - Monthly Subscription (1 month) [Subscription Price] - Annual Membership auto-renewal price: $9.9 per year - Monthly Membership auto-renewal price: $0.9 per month [Payment] Upon confirmation of purchase, payment will be deducted from your iTunes account. [Auto-Renewal] The renewal fee will be deducted from your iTunes account 24 hours before the end of the current subscription period. Upon successful payment, the subscription period will extend by one cycle. [Cancel Auto-Renewal] To cancel your subscription, manually open "Settings" on your iOS device -> tap your "Apple ID", select "View Apple ID", enter the Account Settings page, tap "Subscriptions", then cancel the subscription. If you do not turn off the subscription at least 24 hours before the end of the subscription period, it will automatically renew. 【Subscription Terms 】 https://docs.qq.com/doc/DVWZwYmpvWWhoWHJw