साँचा:Order of magnitude

साँचा परिचय

Usage

This template calculates the (decimal)order of magnitudeof numbers within the ranges 10³⁰⁰to 10⁻³⁰⁰and −10⁻³⁰⁰to −10³⁰⁰.

The acceptable input and the output produced are optimised for use in other templates.

The hyphen (not a true minus sign) is used for negative numbers.
No separator is used for thousands.
The template gives 0 for 0. Although, strictly speaking, this is mathematically incorrect it has been designed this way so as to be more useful in other templates. An important example of this is that when used by{{convert}}0 °C or 0 °F is considered to be on the same order of magnitude as ±1 °C or ±1 °F respectively.

Examples

{{Order of magnitude|123400}}→ 5[1]
{{Order of magnitude|12340}}→ 4[2]
{{Order of magnitude|1234}}→ 3[3]
{{Order of magnitude|123.4}}→ 2[4]
{{Order of magnitude|12.34}}→ 1[5]
{{Order of magnitude|1.234}}→ 0[6]
{{Order of magnitude|.1234}}→ -1[7]
{{Order of magnitude|.01234}}→ -2[8]
{{Order of magnitude|0}}→ 0[9]
साँचा:Xpdoc

Incorrect usage

The input must be an unformatted number, or the template will emit errors:

{{Order of magnitude|}}→Expression error: Unexpected = operator
{{Order of magnitude|123,400}}→Expression error: Unrecognised punctuation character ","
{{Order of magnitude|foo}}→Expression error: Unrecognised word "foo"

Technical points

This template calculates the order of magnitude of a number, using thenatural logarithmof the absolute value of the number, divided by the log of 10. The amount is adjusted fortruncation errorin the digital format, and the floor number of the results is used. The magnitude of fractions, such as 0+1/1000 (-3), will also be calculated. The code uses four expansion-depth levels.

Template data

This is theTemplateDatadocumentation for this template used byVisualEditorand other tools; see the monthlyparameter usage reportfor this template.

TemplateData for Order of magnitude

This template calculates the order of magnitude of numbers within the ranges 10^300 to 10^−300 and −10^−300 to −10^300.

साँचे के पैरामीटर्स[साँचा डेटा सम्पादित करें]
पैरामीटर		विवरण	प्रकार	स्थिति
Number	`1`	The number to find the order of magnitude of	संख्या	आवश्यक

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