跳转到内容

Template:Significant figures

本页使用了标题或全文手工转换
被永久保护的模板
维基百科,自由的百科全书

0

文档图示 模板文档[查看] [编辑] [历史] [清除缓存]

概要

此模板提供两个函数,取决于输入。

  1. 如果只提供一个参数,该模板计算提供的数字的有效数字。超出1012至 10−12、−10−12至−1012的数字将被忽略。
  2. 如果提供两个参数,该模板将第一个数字舍为第二个参数给出的有效数字数。

範例

两个参数

  • {{significant figures|123.456|7}} → 123.4560
  • {{significant figures|123.456|6}} → 123.456
  • {{significant figures|123.456|5}} → 123.46
  • {{significant figures|123.456|4}} → 123.5

  • {{significant figures|123,456|3}} → 123,000
  • {{significant figures|12345.6|3}} → 12,300
  • {{significant figures|1234.56|3}} → 1,230
  • {{significant figures|12.3456|3}} → 12.3
  • {{significant figures|1.23456|3}} → 1.23

  • {{significant figures|.123456|3}} → 0.123
  • {{significant figures|.0123456|3}} → 0.0123
  • {{significant figures|.00123456|3}} → 0.00123
  • {{significant figures|0.123456|3}} → 0.123
  • {{significant figures|0.0123456|3}} → 0.0123
  • {{significant figures|0.00123456|3}} → 0.00123

  • {{significant figures|123.456|2}} → 120
  • {{significant figures|123.456|1}} → 100
  • {{significant figures|123.456|0}} → 0

  • {{significant figures|987654321|9}} → 987,654,321
  • {{significant figures|987654321|8}} → 987,654,320
  • {{significant figures|987654321|7}} → 987,654,300
  • {{significant figures|987654321|6}} → 987,654,000
  • {{significant figures|987654321|5}} → 987,650,000
  • {{significant figures|987654321|4}} → 987,700,000
  • {{significant figures|987654321|3}} → 988,000,000
  • {{significant figures|987654321|2}} → 990,000,000
  • {{significant figures|987654321|1}} → 1.0×109

一个参数

  • {{significant figures|123400}} → 4
  • {{significant figures|12340}} → 4
  • {{significant figures|1234}} → 4
  • {{significant figures|123.4}} → 4
  • {{significant figures|12.34}} → 4
  • {{significant figures|1.234}} → 4

  • {{significant figures|0.1234}} → 4
  • {{significant figures|0.01234}} → 4
  • {{significant figures|0.001234}} → 4
  • {{significant figures|.1234}} → 4
  • {{significant figures|.01234}} → 4
  • {{significant figures|.001234}} → 4

  • {{significant figures|-123.4}} → 4
  • {{significant figures|-12.34}} → 4
  • {{significant figures|-1.234}} → 4

相关模板和模块