JI Calc QuickStart
for Assignment 5

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Table of Contents

1. Main tuning card
2. Step-by-step instructions
3. Instructions for getting started
4. New tuning card example
5. Top-level of JI Calc

Fig. 1: Screen shot of the main card interface of Soundscape Productions' JI Calc 4.42.

Fig. 2: "Just" enough instructions from JI Calc's Help modules to get you going...

Step-by-step instructions

1. Click on the 12-TET (ratio equivalents) card
2. From the Edit menu, choose New Card
3. Turn the sound on by checking the sound radio button
4. Set the number of steps per octave in the tones/oct field to 12.
5. Set the 1/1 freq to 261.625.
   (This is the frequency of C₄, based on 12et tuning around A₄.)
6. In the first (smaller) row, enter the pitch-class names of the chromatic scale you want
7. In the second (larger) row, enter the interval frequency ratios you want using the numerator-return-demoninator technique explained in Fig. 2.
   
   • Play each interval after you type it in to check it w/ your ear.
8. Name your tuning using by editing the name field at the top of the card. Be sure your name appears somewhere in it.
9. Use JI Calc's Note feature to type up a note that describes your tuning.
10. From the File menu, choose Print Card
11. Click the Index button to return to the top-level of the program.
    You should see your tuning listed as the second one on the list.

Fig. 3: Here's a tuning I made as an example for you.

Fig. 4: The JI Calc index showing your new tuning card as the 2nd tuning card in the stack.