Free online tool to calculate the sum, sum tail, and span for 3D/排列三 lottery numbers. No installation required, works instantly in your browser.
输入3位号码，计算3D/排列三的和值、和尾、跨度，并展示相同和值/跨度的形态数及直选注数分布表。
彩民在分析3D/排列三号码时，需要快速计算和值、跨度等统计指标，并了解其分布情况，以辅助选号决策。
输入：3位0-9的数字。输出：和值、和尾、跨度、相同和值/跨度的形态数，以及和值分布表（含直选注数和占比）。
Rule of 72 Calculator - a free online tool to estimate the time required to double your investment and project wealth growth. No installation needed, works instantly in your browser.
Hash Calculator - free online tool to compute MD5, SHA1, and SHA256 hashes instantly. No installation required.
适用于3D/排列三彩民、彩票分析爱好者及需要快速计算和值跨度数据的用户。
Trigonometry Calculator - Online sin/cos/tan tool. Free, instant, no installation required.
Stock Profit & Loss Calculator - an online tool to estimate A-share trading gains and fees. Free, instant, no installation required.
Free online tool to calculate take profit and stop loss target prices, along with potential profit and loss. No installation required.
Free online tool to calculate your IPO subscription quota for Shanghai and Shenzhen stock markets. No installation required.