for the HP 15C
Frac - Fractional approximation

Input
Resources to be used
Output

Program list

Rev.1.1 Dec. 2 2012
Fractional approximation
001-41,21, 3	LBL 3
002-      36	ENTER
003-      36	ENTER
004-   44  0	STO 0
005-       0	0
006-   44 25	STO I
007-       1	1
008-   44  1	STO 1
009-41,21,.3	LBL .3
010-      33	R↓
011-      33	R↓
012-   43 44	INT
013-45,20, 1	RCL× 1
014-45,40,25	RCL+ I
015-42, 4, 1	x<> 1
016-   44 25	STO I
017-      34	x<>y
018-   42 44	FRAC
019-      15	1/x
020-   45  1	RCL 1
021-45,10, 0	RCL÷ 0
022-42, 7, 0	FIX 0
023-   43,34	RND
024-42, 7, 9	FIX 9
025-      36	ENTER
026-      36	ENTER
027-   45  1	RCL 1
028-      31	R/S
029-      10	÷
030-42,20, 0	RCL× 0
031-       1	1
032-      30	-
033-43,30, 0	TEST 0
034-   22 .3	GTO .3
035-      34	x<>y
036-   45  1	RCL 1
037-   43 32	RTN

Example

Operation : π GSB C

Result at each R/S
order 0 1 2 3 4
X322333355104348
Y1 7106113 33215

SEE ALSO
Franctional approximation of π Japanese
Fractional approximation program for the HP-32sII
Fractional approximation program for the HP-35S
Fractional approximation program for the HP-42S
Find the nearest fraction in the E24 numbers

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