HP 15c - Manual (Page 89)

Section 7: Program Editing 89
Make any necessary modifications in the program to also find and display s,
the length of the circular arc cut by θ (in radians), according to the equation
s = r θ.
Complete the following table:
θ
r
ℓ
s
45° 50 ? ?
90° 100 ? ?
270° 100 ? ?
(Answers: 38.2683 and 39.2699; 141.4214 and 157.0796; 141.4214 and
471.2389.
A possible new sequence is:
´bA |D ´•4 O0 2* ® O1 2÷
[ * ´© ´© l0 l1 ´r *
|n).