(12C) Fibonacci Numbers and Develop the Fibonacci sequence

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Finding the Fibonacci Number by using program on HP 12C

Code:


01 ENTER
02 5
03 SQR
04 STO 1
05 ENTER
06   1
07   +
08   2
09   /
10   X<>Y
11   Y^X
12   RCL 1
13   /
14   Fix 0
15   GTO 00

Example: 12 R/S result 144

Result accuracy is best below n<39


Develop the Fibonacci sequence with f1 = 1, f2 = 1
Answer: 1, 1, 2, 3, 5, 8, 13, 21, ...

Program:

Code:


ENTER
ENTER
R↓
R↓
+

Instruction: 1 ENTER 1 R/S result 2 and continue pressing R/S
result 3, 5, 8, 13, 21, 34, 55, 89, 144, ..

Instruction: 89 ENTER 144 R/S result 233 and continue pressing R/S
result 377, 610, 987, ...

To develop Fibonacci Numbers automatically add [PSE] and GTO 01 at the end of the program.


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