It means congruent, which is to say they are approximately equal. Such as 3.9595 is approximately 4. Or, in geometry, two angles are basically the same size and shape but are positioned differently.
The symbol is called DELTA and looks like a triangle. -----> Δ <----
The colon is a punctuation used for many purposes. It itself is a symbol, properly called a punctuation. This is a colon: simply a period with a period on top. This looks similar to the semi-colon, which looks like this ; a comma with a period on top.
A colon consists of two dots, one directly over the other, and it looks exactly like this :
The inequality sign for at most is < with _ under it. ( less than or equal to)
Semi colon looks like this ;
To type the symbol that looks like a wave (∼), you can use the tilde key on your keyboard which is usually located to the left of the number 1 key. Press and hold the shift key while pressing the tilde key.
If it's the ~ you're talking about then it's called a tilde.
It's called an "inverted mordent". If it has a little line through it, it's simply called a "mordent".
A tilde.
It means "defined as."
The symbol for an apostrophe looks like '.
It looks like a big "C", with an underline. It can be compared to the "less-than-or-equal" symbol, but it is rounded instead of an angle symbol.
Each half of the symbol 8 looks like a 0
The symbol that looks like a star is called an asterisk. It looks like this *.
itd the key with the squiggly line which looks like this ~
the symbol that looks like a wagon is the towing feature is turned on symbol
It's called a tilde.