HP 15c - Manual (Page 96)

96 Section 8: Program Branching and Controls
Keystrokes Display
| ¥ 000- Program mode.
´ bB 001-42,21,12 Start at "B" if payments to be
made at the beginning.
| " 0 002-43, 5, 0 Flag 0 clear (false); indicates
advance payments.
t 1 003- 22 1 Go to main routine.
´ b E 004-42,21,15 Start at "E" if payments to be
made at the end.
| F 0 005-43, 4, 0 Flag 0 set (true); indicates
payment in arrears.
´ b 1 006-42,21, 1 Routine 1 (main routine).
O1 007- 44 1 Stores i (from X-register).
1 008- 1
+ 009- 40
(1+i).
® 010- 34 Puts n in X; (l + i) in Y.
“ 011- 16 – n.
y 012- 14 (1 + i)
-n
.
“ 013- 16 – (1 + i) -n
.
1 014- 1
+ 015- 40 1 – (1 + i)
-n
.
l ÷ 1 016-45,10, 1 Recall division with R
1
(i) to
get [l– (l + i)
-n
]/i.
* 017- 20 Multiplies quantity by P.
| ? 0 018-43, 6, 0 Flag 0 set?
| n 019- 43 32 End of calculation if flag 0 set
(for payments in arrears).
l 1 020- 45 1 Recalls i.
1 021- 1
+ 022- 40 (1 + i).
* 023- 20 Multiplies quantity by final
term.
| n 024- 43 32 End of calculation if flag 0
clear.