日常计算Everyday calculations
小计算，当下就有答案。An answer for the small calculations.
算增长率、数工作日、换算单位或安排专注时间。把常用的小工具放在手边。Calculate a percentage change, count working days, convert units, or plan a focus session. Keep the everyday tools close.
选一个工具开始Pick a tool to start ↓手边的工具Your tools for the task
百算Percently
计算占比、增长率、折扣和反向百分比。Calculate shares, changes, discounts, and reverse percentages.
开始计算Calculate ↗日期尺DateLine
精确计算年龄、日期间隔与日期加减。Calculate exact age, date differences, and date arithmetic.
计算日期Calculate dates ↗单位桥UnitBridge
换算长度、重量、温度、面积、体积、速度和容量。Convert length, mass, temperature, area, volume, speed, and storage.
换算单位Convert units ↗专注岛Focus Isle
自定义专注和休息节奏，记录保存在本机。Customize focus and break sessions with local history.
开始专注Start focusing ↗码点Maidian QR
生成链接、Wi‑Fi、邮件、电话或短信二维码。Create direct QR codes for links, Wi-Fi, email, phone, or SMS.
生成二维码Create QR ↗密语KeyMint
使用浏览器加密随机数批量生成强密码。Generate strong passwords with cryptographic browser randomness.
生成密码Generate ↗挑一个场景试试TRY A REAL TASK
下一步，可以这么做。A practical next step.
看懂一个百分比Understand a percentage
百算区分占比、变化和反推。例如从 80 到 100 的增长率是 25%，分母应使用原值。Percently separates shares, changes, and reverse calculations. A rise from 80 to 100 is 25%; use the original value as the denominator.
打开对应工具Open this tool ↗安排一个日期Work out a date
用日期尺比较日期或偏移工作日。法定节假日因地区而异，安排截止时间前请核对实际日历。Compare dates or offset working days in DateLine. Public holidays differ by region; check the actual calendar before setting a deadline.
打开对应工具Open this tool ↗给手头任务留一段时间Give one task some time
在专注岛选择专注和休息节奏，开始一轮，再查看本机的完成记录。Choose a focus and break rhythm in Focus Isle, start a session, and review the completion history on your device.
打开对应工具Open this tool ↗
计算结果取决于你输入的单位、基数与日期规则。重要安排请核对输入和结果。Results depend on the units, base values, and date rules you choose. Check inputs and outputs for important plans.
换个任务，继续顺手。A different task? Keep going.
每个工具都可以独立使用，文件与导出由你保管。Use each tool on its own, and keep control of your files and exports.