A hertog is a figure with at least two curved parts
Damiën Hertog was born on 1974-03-12.
what does key mean in math
Finn Den Hertog was born in 1986, in Glasgow, Scotland, UK.
Approximately
about
a
I do not know of such a word related to math(s)
There is no such math word, so it does not mean anything. You may wish to check your spelling before posting questions!
The word at means the least
the word by means 'times' or 'multiply'
its mean like well its a math term its like distrubed fractions