Free Pre-Algebra, Algebra, Trigonometry, Calculus, Geometry, Statistics and Chemistry calculators step-by-step

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.

Below are multiple fraction calculators capable of addition, subtraction, multiplication, division, simplification, and conversion between fractions and decimals. Fields above the solid black line represent the numerator, while fields below represent the denominator. = ? Use this calculator if the numerators or denominators are very big integers.

The simplification calculator allows you to take a simple or complex expression and simplify and reduce the expression to it's simplest form. The calculator works for both numbers and expressions containing variables. Click the blue arrow to submit and see the result!

Oct 19, 2023 · use numbers and + - * / ^ r . ( ) [ ] { } Red Bold is each completed step. Paste this link in email, text or social media. Solve math problems using order of operations like PEMDAS, BEDMAS, BODMAS, GEMDAS and MDAS.

May 4, 2014 · 2+4+6+8.....+n公式是什么偶数的等差数列求和公式：S＝[(2+2n)n]/2＝n(n+1).推导过程：S＝2+4+6+…+(2n-2)+(2n),S＝2n+(2n-2)+…+4+2.两式相加，得2S＝(2+2n)+(4+2n …

Divide 4 4 by 2 2. Add 2 2 and 8 8. Multiply 2 2 by 10 10. Convert the fraction to a decimal. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

-2(x+4)+6x<8 One solution was found : x < 4 Rearrange: Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality : ...

Free sequence calculator - step-by-step solutions to help identify the sequence and find the nth term of arithmetic and geometric sequence types.

Oct 17, 2023 · Enter a fraction, mixed number or integer to get fractions that are equivalent to your input. Example entries: What are Equivalent Fractions? Equivalent fractions are fractions with different numbers representing the same part of a whole. They have different numerators and denominators, but their fractional values are the same.