You can assign a certain name to an object when you create it using the Input Bar:
·
Points:
In GeoGebra, points are always
named using upper case letters. Just type in the name (e. g., A, P)
and an equal sign in front of the coordinates or commands.
Examples:
C = (2, 4), P = (1; 180°),
Complex = 2 + i
·
Vectors:
In order to distinguish
between points and vectors, vectors need to have a lower case name in GeoGebra.
Again, type in the name (e. g., v, u) and an equal sign in front of the
coordinates or commands.
Examples: v
= (1, 3), u = (3; 90°),
complex = 1 – 2i
·
Lines,
circles, and conic sections: These objects can be named by
typing in the name and a colon in front of their equations or commands.
Examples: g:
y = x + 3, c: (x-1)^2 +
(y – 2)^2 = 4,
hyp: x^2 – y^2 = 2
·
Functions:
You can name functions by
typing, for example, f(x) =
or g(x)= in front of the
function’s equation or commands.
Examples: h(x)
= 2 x + 4, q(x) = x^2,
trig(x) = sin(x)
Note:
· If you don’t manually assign a name to an object, GeoGebra assigns the names of new objects in alphabetical order.
· You can create indices within the names of objects by using an underscore. For example A1 is entered as A_1 and sAB is entered as s_{AB}.