The solve for x calculator allows you to enter your problem and solve the equation to see the result. Solve in one variable or many.

QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. The algebra section allows you to expand, factor or simplify virtually any expression you choose.

A beautiful, free online scientific calculator with advanced features for evaluating percentages, fractions, exponential functions, logarithms, trigonometry, statistics, and more.

2023年10月14日 · Use this basic calculator online for math with addition, subtraction, division and multiplication. The calculator includes functions for square root, percentage, pi, exponents, …

2023年11月26日 · Input number of bills, coins and rolled coins to get total sum value. Calculates USD, GBP, EUR, JPY, AUD, CAD, CHF, SEK, MXN, NZD, INR, PHP.

Free math problem solver answers your algebra homework questions with step-by-step explanations.

2024年7月24日 · Do math with this money calculator to add, subtract, multiply and divide dollars and cents. The calculator can add and subtract amounts of money as if you were combining monetary amounts, or deducting one amount from another.

Solve an equation, inequality or a system.

Find the number of real roots of $1+x/1!+x^2/2!+x^3/3! + \ldots + x^6/6! =0$. Attempts so far: Used Descartes signs stuff so possible number of real roots is $6,4,2,0$ tried differentiating the equation $4$ times and got an equation with no roots …

【题目】已知图$$ ( 1 - x ) ^ { n } $$行的展开式中只有第6项的二项式系数最大.(1)求展开式中除常数项外,其余各项的系数之和;(2)写出展开式中系