| 摘要 |
PCT No. PCT/AU91/00324 Sec. 371 Date Mar. 1, 1993 Sec. 102(e) Date Mar. 1, 1993 PCT Filed Jul. 23, 1991 PCT Pub. No. WO91/02011 PCT Pub. Date Feb. 6, 1992.A music chord indicating calculator assists in determining finger placement to play musical chords on a multi-stringed musical instrument containing a finger board. The device has an outer slide member and an inner base member which slides through the outer slide member. The slide member contains a number of columns of spaced viewing ports on both side faces. The inner base member has a number of columns of spaced indicia which are coded to correspond to various chords. A chord selector has one of the indicia on a column of indicia on the base member and can be viewed through a viewing port which has a chord identifying name associated with it. By sliding the base member and slide member relative to each other such that chord selector is viewed through a viewing port which identifies a chord by name, the finger placement of that chord can be viewed through the viewing ports by coding of the indicia on the base member.
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