方程求解

一元一次方程求解器。 一元二次方程求解器。 一元三次方程求解器。 一元四次方程求解器。 • 计算器存储最近计算的历史记录。 • 后退和前进按钮检查或调用最近的计算。 • 您可以通过电子邮件发送计算结果和历史记录。 • 通过更改主题的颜色个性化应用的外观和感觉。 - Updated design. - Now you can easily round both decimal and fractional results. For decimals you can specify the desired number of decimal places after a decimal point. Fractions can be rounded to the nearest fraction of a specified denominator. - From version 4.5.0 onwards, you can choose an output format to display results: "auto", "decimal", "fraction" or "decimal and fraction" - Added the Square root button. - Updated the engine for equations solving. - Updated apps' icon.