kill(all)$

fpprintprec:30$ fpprec:30$

van=facebook.com/LearningCalculus$

f(x):=sqrt(x)-sqrt(x-1) -1/100;

for x: -1 thru 3 do
print("Answer (x=", x, " f(x)=", float(f(x)), ")")$

 // exact rational # via wolfram alpha;

bfloat((100020001/40000));

float(f((100020001/40000)));

limit(f(x),x,inf);