curve from curvature
Author: knxm

k(x)=

a = 0
b = 0
c = 0
d = 0
k(x) = x - 1 / 2
f = Integral(k, x)
g(x) = cos(f(x))
h(x) = sin(f(x))
t = 3.65 (slider from 0 to 5, step 0.01)
q: 100 * t
i_g = UpperSum(g, 0, t, q)
i_h = UpperSum(h, 0, t, q)
P: (i_g, i_h)
inputBox1 = Textfield(k)