(42S) Snedecor's UTPF Programme

[Gerald H]

0. { 21-Byte Prgm }
1. †LBL "FXACC"
2. FIX IND ST X
3. +/-
4. 10^X
5. STO "ACC"
6. CLX
7. LASTX
8. +/-
9. END

Sets number of decimal places of accuracy
eg 4 FXACC gives answers accurate to .0001

0. { 26-Byte Prgm }
1. †LBL "…DPREP"
2. STO "ULIM"
3. CLX
4. STO "LLIM"
5. INTEG "x"
6. END

Sets upper limit of integration



0. { 162-Byte Prgm }
1. †LBL "FPDF"
2. RCL "x"
3. STO ST Y
4. RCL 05
5. Y^X
6. X<>Y
7. RCL* 03
8. 1
9. +
10. RCL 04
11. Y^X
12. ×
13. RTN
14. †LBL "F¨P"
15. PGMINT "FPDF"
16. †LBL 00
17. X<>Y
18. STO 02
19. Rv
20. X<>Y
21. ENTER
22. STO 01
23. RCL+ 02
24. 2
25. ÷
26. STO 06
27. +/-
28. STO 04
29. Rv
30. RCL÷ 02
31. STO 03
32. Rv
33. 0.5
34. RCL* 01
35. STO 07
36. 1
37. -
38. STO 05
39. Rv
40. XEQ "…DPREP"
41. RCL 06
42. GAMMA
43. RCL 07
44. GAMMA
45. ÷
46. 0.5
47. RCL× 02
48. GAMMA
49. ÷
50. RCL 03
51. RCL 07
52. Y^X
53. ×
54. ×
55. 1
56. X<>Y
57. -
58. RTN
59. †LBL "?F"
60. RCL 01
61. RCL 02
62. RCL "f"
63. XEQ 00
64. RCL- 00
65. RTN
66. †LBL "P¨F"
67. PGMINT "FPDF"
68. STO 00
69. Rv
70. STO 02
71. Rv
72. STO 01
73. PGMSLV "?F"
74. 1.1
75. STO "f"
76. 12
77. SOLVE "f"
78. END



P¨F finds F-score for entered degrees of freedom & probability
Eg 8, 11, .01 P¨F returns 4.79

F¨P finds probability for entered degrees of freedom & F-score
Eg 8, 11, 5 F¨P returns 0.0082