Zeckendorf in TI-BASIC

Published on 07 March 2026 (Updated: 07 March 2026)

Welcome to the Zeckendorf in TI-BASIC page! Here, you'll find the source code for this program as well as a description of how the program works.

Current Solution

Input "",Str1
"0123456789"->Str2
length(Str1)->L
L<1->E
0->D
0->V
1->N
1->S
While E=0 and N<=L
    sub(Str1,N,1)->C
    inString(Str2,C)-1->K
    If C="+" or C="-"
    Then
        D>0->E
        If C="-"
        Then 0-S->S
        End
    Else
        K<0->E
        D+1->D
        V*10+K*S->V
    End
    N+1->N
End
If E or D<1 or V<0->E Then Disp "Usage: please input a non-negative integer"
Else
    1->A
    2->B
    While A<=V
        B+A->B
        B-A->A
    End
    {}->l1
    0->N
    While V>0
        B-A->A
        B-A->B
        If V>=A Then
            N+1->N
            A->l1(N)
            V-A->V
        End
    End
End
If l1 Then
    Disp l1
End

Zeckendorf in TI-BASIC was written by:

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How to Implement the Solution

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How to Run the Solution

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