HP35S Music Pitch: Next HalfStep Up and Down
Source: "Sourcebook for Programmable Calculators" Texas Instruments (TI58/59)  1978 (,I believe, apologize if get the year wrong)
next pitch = original pitch * (twelfth root of 2) ≈ original pitch * 1.05946309436
Pitch is in HZ (Hertz)
256 Hz one octave lower than Middle C
512 Hz Middle C
1024 Hz one octave higher than Middle C
Steps: C C# D D# E F F# G G# A A# B
HP35S Program:
Next halfstep up: pitch, XEQ M001
Next halfstep down: pitch, XEQ M009
Repeat each step with R/S, stop whenever you like
M001 LBL M
M002 2
M003 12
M004 1/x
M005 y^x
M006 *
M007 R/S
M008 GTO M001
M009 2
M010 12
M011 1/x
M012 y^x
M013 ÷
M014 R/S
M015 GTO M009
Program made on 4/27/2013
Have fun and thanks for your support! Always appreciate the comments and followers! Eddie
This blog is property of Edward Shore. 2013
A blog is that is all about mathematics and calculators, two of my passions in life.
Friday, June 7, 2013
HP35S Music Pitch: Next HalfStep Up and Down
Subscribe to:
Post Comments (Atom)
HP Prime and HP 41C/DM 41L: Sum of Two Squares
HP Prime and HP 41C/DM 41L: Sum of Two Squares Introduction Given a positive integer n, can we find two nonnegative integers x and y...

Casio fx991EX Classwiz Review Casio FX991EX The next incarnation of the fx991 line of Casio calculators is the fx991 EX. ...

HP Prime: Basic CAS Commands for Polynomials and Rational Expressions Define the following variables: poly: a polynomial o...

The Odds of Hitting it Big The number of possible combinations is fairly easy to calculate. You multiply the number symbols each slot has ...
No comments:
Post a Comment