Additionally, the second line contains an informal definition, and the third line gives a short example.
Note:''' If some of the symbols don't display properly for you, then your browser does not completely implement the [[HTML]] 4 [[character entity|character entities]], or you have to install additional [[ font]] s.
You can check your browser [http://www.alanwood.net/demos/ent4_frame.html here].
<table border=1 cellspacing=0>
<td rowspan=3 bgcolor=#d0f0d0 align=center><h1>+</h1>
<tr> <td colspan=3>4 + 6 = 10
means that if four is added to 6, the sum, or result, is 10. <tr> <td colspan=3>43 + 65 = 108; 2 + 7 = 9
<td rowspan=3 bgcolor=#d0f0d0 align=center><h1>−</h1>
<tr> <td colspan=3>9 − 4 = 5
means that if 4 is subtracted from 9, the result will be 5. The minus sign also denotes that a number is [[ negative and non- negative numbers| negative]]. For example, 5 + (−3) = 2 means that if five and negative three are added, the result is two.<tr> <td colspan=3>87 − 36 = 51