In mathematics, a percentage is a number or ratio that represents a fraction of 100. It is one of the ways to represent a dimensionless relationship between two numbers; other methods include ratios, fractions, and decimals. Percentages are often denoted by …

Percentage calculator is a free online tool that solves eight different types of percent-related problems. To get a step-by-step solution for percentage problems, simply enter the values in the appropriate sentence. Solve eight types of percentage problems. 0 1 2 3 4 5 6 7 8 9. C . Input two values and calculate the missing one. Find 45% of 120.

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.

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

This is an online scientific calculator with double-digit precision that supports both button click and keyboard type.

5x=-40 One solution was found : x = -8 Rearrange: Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation : ...

Mar 30, 2025 · Calculator with percentage and square root buttons. Operate calculator with a mouse, number pad, keyboard, or touch. Calculator has shortcuts for powers or exponents or their inverses, for 1/x, and repeating operations of addition, subtraction, multiplication, division and exponents. See additional instructions on the Basic Calculator page.

Solves your equations step-by-step and shows the work! This calculator will solve your problems.

Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

Learn how to calculate a percent of a value before and after, or find the percentage change between two values, and see how to calculate each one.