Kosmos 1 Owner's Manual page 22

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Biorhythm Key:
• When all data has been put in correctly, pressing this key obtains the
biorhythm and displays them.
Compatibility,'SimilarityKe}':
CD
This CD key will cause the computer to calculate the compatibility
between yourself and another person and display them.
ForwardJReverse Keys:
m
This decrement key will cause the cL1te to reverse each one.
Simultaneously the new biorhytlml will be computed and displayed.
GI
This increment key is identical to the CD key except that
it
adyanccs
the date in daily increments.lncJOec.
.
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