Circle:Circles
Espacedapplica:Space of maps
absolu:Absolute value
affineline:Affine line
alternate:Alternated addition
fields:Fields
matrices:Matrices
matrices2:Matrices II
muldiv:Multiply/divide
nonnuls:Non-zero numbers
transaffine:Transaffine
transquare:Transquare
unitcircle:Unit circle
