A manilla folder with the title '7.Trigonometric' containing program documentation for:
- T100 B104 Sin-Cosine.
- T10-101.2 B104 Tangent.
- T102 B104 Sec.
- T103 B104 Cos & Sin.
- T104-104.2 B104 Sin.
- T105-105.2 B112 Cosine.
- T111-111.4 B112 Arctan (A) as fraction of 90deg.
- T112-112.2 B112 Arc Sine X as a fraction of 90deg.
- T113 B130 Arsin by J.W. Spencer.

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