Rolled Paper Calculator vs FX提前还房贷计算器

~ An Innovative, User-Friendly Calculator with History ~ Selected as one of AppBank's Best iPhone Apps of 2010, this calculator is highly regarded by many users. It makes daily calculations easier and more accurate. Use cases: Calculating expenses while shopping, double-checking household finances, calculating business expenses, learning tool for students, etc. Main Features: 1. Scrolling Paper Display Displays calculations like a scroll, allowing you to check your work anytime. Easily review past calculations by scrolling. 2. Standard/Advanced/Note Keyboard Switching Equipped with three keyboard modes: Standard, Advanced, and Note. Easily switch between modes based on user preference and calculation needs. - Standard: Provides simple, easy-to-use basic calculator functions - Advanced: Extended keyboard with more advanced features - Note: Offers note-taking functionality to save and manage calculation results 3. Flexible Decimal Point Modes Three decimal point modes: - F (Free): No limit on decimal places - 0 (Zero): Displays integers only - 2 (Euro mode): Displays up to two decimal places Easily switch using the "dp/VAT" button (Advanced mode). 4. VAT Calculation Feature Long-press the "dp/VAT" button in Advanced mode to set the VAT rate. After setting, simply switch to +VAT mode using the "dp/VAT" button to automatically add tax to calculations. 5. Scan Function Use the "SCAN" button in Advanced mode to scan numbers from receipts or price lists for automatic input. Especially useful for accurately entering large numbers for tax returns. 6. Advanced Calculation Features - Square root calculation: Easily calculate square roots with the "√" button. - Sign inversion: Switch between positive and negative values with the "±↻" button. - Backspace function: Delete the last digit in case of input errors (Advanced mode). - Restore function: Restore deleted numbers (Advanced mode). - C/AC function: Press "C/AC" to reset current input or calculation results. Long-press to clear all scroll content and choose whether to save as a note. 7. Copy Function Copy calculation history displayed on the scroll to the clipboard using the "copy" button in Advanced mode. 8. Total Calculation Function The "=/Σ" button displays normal calculation results. In Advanced mode, long-press to calculate the sum of all results displayed on the scroll. 9. Note Function Save calculation results as notes for later reference or editing. Saved notes are grouped by date for easy management. Create notes by: - Long-pressing the "C/AC" button to clear all scroll content and save as a note. - Creating or editing notes in Note mode. 10. User-Friendly Interface - Intuitive operation - Clear display - Dark mode support - Easy switching between Standard/Advanced/Note modes 11. NoteToCalc Function Import saved note content directly into the calculator. Main purpose: Record unit prices as memos without using the calculator function, then perform batch calculations later. 12. All Sum Function After importing note content using NoteToCalc, long-press the "+/sum" button in Advanced mode to automatically calculate the sum of all imported values. Compatible Devices Available on iPhone, iPad, and Mac (Apple Silicon). Provides layouts optimized for each device's screen size.

还房贷要不要提前还？提前还多少最合适？选择“缩期”还是“降月供”更划算？ **FX提前还房贷计算器**为个人用户提供清晰、可对比的提前还款测算工具，让你用更少时间看懂利息与现金流变化。 ### 核心功能 - **两种还款方式完整支持** - 等额本息：每月月供基本固定 - 等额本金：月供逐月递减 - **缩期 vs 降月供对比** 一键对比提前还款后：剩余年限变化、每月月供变化与总利息差异。 - **节省利息计算** 自动计算提前还款带来的**总利息节省**，并展示关键数据对比。 - **不同提前还款方案比较** 支持对多种提前还款金额/时间节点进行方案比较，帮助你选择更适合的策略。 - **图表展示更直观** 通过图表查看月供变化、利息/本金结构变化与方案差异，一眼看懂趋势。 ### 适用人群 - 想评估提前还款是否划算的房贷用户 - 想在“缩期/降月供”之间做理性选择的个人用户 - 想用数据规划家庭现金流与还款节奏的用户 ### 设计与体验 - 简约清新、白色系界面 - 关注计算效率与可读性，核心信息清晰呈现