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Rounding Calculator

Tool to compute roundings (integers, decimals, to multiple). Rounding a number is calculating an approximate value using truncation of its digits/decimal places (rounding down floor, rounding up ceil, rounding to multiple) in the limits of the precision asked to the calculator.

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Rounding Calculator -

Tag(s) : Data processing, Arithmetics

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Rounding Calculator

Rounding Numbers Calculator

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Tool to compute roundings (integers, decimals, to multiple). Rounding a number is calculating an approximate value using truncation of its digits/decimal places (rounding down floor, rounding up ceil, rounding to multiple) in the limits of the precision asked to the calculator.

Answers to Questions

How to calculate a Rounding?

dCode allows rounding to the desired number, the rounded default is closest (approximation), ie the upper value if the decisive digit is greater than or equal to 5 and the lower value if the decisive digit is less than 5.

Round to ones (no decimal dot), round to tenth (1 one decimal place), round to hundredth (2 two decimal places) or round to thousands (3 three decimal places).

Example: 3.15 is rounded to 3.2 with 1 digit after decimal point (to tenth)

Some textbooks refer to rounding to + infinity for rounding up or - infinity for rounding down, or to 0 for rounding down positive numbers and rounding up negative numbers.

Monetary notations (euros, dollars, etc.) use a 2-digit precision format

How to calculate a Rounding to a multiple?

dCode calculates the nearest multiple (rounded up/superior or rounded down/inferior to the multiple).

Example: 123 can be rounded to the closest multiple of 5 so: 125.

How to calculate a Ceiling Round?

The ceiling rounding is in the upper rounding.

Example: 1.2 is ceil rounded to 2

How to calculate a Floor Round?

Floor rounding is the lower rounding.

Example: 1.7 is floor rounded to 1

What is a significant figure?

The significant digits are the figures (of a decimal number) known with certainty. They depend on the measuring tool, but also on the rounding done.

Example: 0.0123 has 3 significant digits (1,2,3)

How to round 0.99999999...?

All rouding of 0.99999999... are 1.

Mathematically speaking $ 0.999... = 1 $

Source code

dCode retains ownership of the online 'Rounding Calculator' tool source code. Except explicit open source licence (indicated CC / Creative Commons / free), any algorithm, applet or snippet (converter, solver, encryption / decryption, encoding / decoding, ciphering / deciphering, translator), or any function (convert, solve, decrypt / encrypt, decipher / cipher, decode / encode, translate) written in any informatic language (PHP, Java, C#, Python, Javascript, Matlab, etc.) no data, script or API access will be for free, same for Rounding Calculator download for offline use on PC, tablet, iPhone or Android !

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Questions / Comments

Thanks to your feedback and relevant comments, dCode has developped the best Rounding Calculator tool, so feel free to write! Thank you !


Source : https://www.dcode.fr/rounding-calculator
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