Spacing with percentage (%) symbol

単位記号の使い方について

◎ A space should never be inserted between a numeral and
its unit of measurement, when the unit is a symbol such as %
(percent), ’ (minute), etc. These symbols are set close without spacing.

Wrong: 50 %
Right: 50%

Spacing with units

省略形の単位の使い方について

◎ A space should always be inserted between a numeral and
its unit of measurement, when the unit is an abbreviation.

Wrong: The length of the box was 50cm.
Right: The length of the box was 50 cm.

Here, cm is an abbreviation for centimeters.

http://crimsonjapan.blogspot.com/2009_06_01_archive.html

-------------------------------------------------------------------------------------------
クリムゾン・インタラクティブ
-> 英文校正・校閲エナゴ
-> 英語テープ起こしボックスタブ
-> 翻訳ユレイタス

Spacing with arithmetic symbols

算術記号について

◎ Arithmetic symbols are also used to show the sign or value of a number when it is not used in an equation. In such a case, a space should not be inserted between the symbol and the numeral.

Wrong: The value reached - 5. It was previously > 10.
Right: The value reached -5. It was previously >10.

Spacing with mathematical operators

◎ In equations, there should always be a space before and after symbols such as addition (+), subtraction (-), greater than (>), less than (<), and equal to (=).

Wrong: a+b=c
Right: a + b = c

http://crimsonjapan.blogspot.com/2009_06_01_archive.html

-------------------------------------------------------------------------------------------
クリムゾン・インタラクティブ
-> 英文校正・校閲エナゴ
-> 英語テープ起こしボックスタブ
-> 翻訳ユレイタス