# List of functions used for infinitesimal approaching.
# An item in this list will be picked randomly at each exercise.
# Structure of item: multi-line.
# line 1 is function description.
# The rest is values for parameters c1, c2, etc.
# Different items are separated by lines starting with `:'.

:(t-c1)^3/c2+c3
 2.9,3.1
 20,30
 1.5,2.8
:(t-c1)^3/c2+c3+c4*t
 0.5,2
 8,12
 0.7,2
 0,0.15
:c2*atan(c1*(t-c3))+c4
 0.8,2
 1.5,2
 0.5,2
 -0.1,0.3
