Free online tool to calculate average cost and break-even price after multiple buys. No installation required.
免费在线补仓摊薄成本计算器，录入多次买入价格与股数，自动计算加权平均成本、总持仓与回本价，并支持浮动盈亏估算。
投资者在补仓后难以快速准确计算多次买入的加权平均成本及回本价，手动计算繁琐易错。
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.
输入：多次买入的价格和股数，以及可选的当前价和费率参数。输出：加权平均成本、总持股数、总投入成本（含买入费）、回本价（含卖出费）和浮动盈亏（含费）。
适合需要计算补仓后持仓成本和回本价的股票投资者，尤其是进行多次买入操作的用户。
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.