Definition of ink pen:
°A
variable (usually
x,
y or
z) whose value is to be found.
°Any fact or place about which nothing is known (as in the phrase "into the unknown").
Definition of ink pen:
°A
variable (usually
x,
y or
z) whose value is to be found.
°Any fact or place about which nothing is known (as in the phrase "into the unknown").