Scientific Notation Calculator

Real Number
Value A
Operation
+ - × ÷ ^
Value B
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The scientific notation calculator converts numbers to scientific notation, e-notation, engineering notation, and performs addition, subtraction, multiplication, or division with them.

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Ratio Calculator is a free online tool that helps you to find the ratio of two or more numbers, simplify a ratio to its lowest terms, convert a ratio to a fraction, find equivalent ratios, and solve ratio word problems. Ratio Calculator can also help you to calculate the proportion of two quantities, the aspect ratio of a shape or an image, the cross multiplication of two fractions, and the golden ratio of a line segment.

Ratio Calculator

Ratio Calculator is a free online tool that helps you to find the ratio of two or more numbers, simplify a ratio to its lowest terms, convert a ratio to a fraction, find equivalent ratios, and solve ratio word problems. Ratio Calculator can also help you to calculate the proportion of two quantities, the aspect ratio of a shape or an image, the cross multiplication of two fractions, and the golden ratio of a line segment.
Easily calculate percentages from a value to another value, or from a percentage to a value.

Percentage Calculator

Easily calculate percentages from a value to another value, or from a percentage to a value.