Position Size Calculator - Free online tool for risk management and calculating the number of shares to buy. No installation required.
根据总资金、单笔风险比例、入场价与止损价，计算可买入股数、仓位金额与仓位比例，辅助风险控制与下单决策。
投资者在买入股票时难以快速确定合适的仓位大小，以控制单笔交易风险，避免过度投入或风险失控。
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：总资金、单笔风险比例、入场价、止损价、每手股数（可选）、货币符号（可选）。输出：可买入股数、仓位金额、仓位比例、单笔最大可亏金额、每股风险，以及相关提示。
适用于股票投资者、交易者以及需要控制单笔交易风险的个人或机构。
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.