A029926 Convert n from degrees Fahrenheit to nearest integer Celsius.

-18, -17, -17, -16, -16, -15, -14, -14, -13, -13, -12, -12, -11, -11, -10, -9, -9, -8, -8, -7, -7, -6, -6, -5, -4, -4, -3, -3, -2, -2, -1, -1, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 11, 11, 12, 12, 13, 13, 14, 14, 15, 16, 16, 17, 17, 18, 18

Offset: 0

Author

N. J. A. Sloane

Keywords

• sign

References

• M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 8.

Links

• Ray Chandler, Table of n, a(n) for n = 0..1000
• M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy].
• M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, Tenth Printing, 1972, p. 8.
• Index entries for linear recurrences with constant coefficients, signature (1, 0, 0, 0, 0, 0, 0, 0, 1, -1).

Crossrefs

Cf. A029925, A085259, A085268, A177154.

Programs

Mathematica

Table[Round[(5(n-32))/9],{n,0,100}] (* Harvey P. Dale, Feb 09 2020 *)

Formula

From Reinhard Zumkeller, May 03 2010: (Start)

a(n) = round(5*(n-32)/9).

a(A029925(n)) = n. (End)