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Slide rule operations summary
Slide rule operations summary
Short notation is used to describe algorithms in a compact form. See links for more detailed explanations.
| Formula | Scales | Algorithm |
|---|---|---|
| x2-px+q=0 | [CI, D] | qCI->1D; |->CI+D=p; |=>D(x1); |=>CI(x2) |
| 1CI->qD; |->CI+D=p; |=>D(x1); |=>CI(x2) | ||
| r=q1/2 | [CI,D] | qCI->1D; |->CI=D; |=>D(r) |
| x3-px+q=0 | [CI, D, A] | 1CI->qD; |->A+CI=p; |=>D(x) |
| x3-px2+q=0 | [CI, A] | 1CI->qA; |->A+CI=p; |=>CI(x) |
| r=q1/3 | [D, CI, A] | 1CI->qD; |->A=CI; |=>D(r) |
| x4-px+q=0 | [D, CI, K] | 1CI->qD; |->CI+K=p; |=>D(x) |
| x4-px3+q=0 | [CI, K] | 1CI->qK; |->CI+K=p; |=>CI(x) |
| r=q1/4 | [CI, K] | 1CI->qK; |->CI=K; |=>CI(r) |
| [D, K, CI] | 1CI->qD; |->CI=K; |=>D(r) | |
| [A, BI, D] | 1C->qA; |->A=BI; |=>D(r) | |
| x5-px2+q=0 | [A, D, K, BI] | 1BI->qA; |->BI+K=p; |=>D(x) |
| x5-px3+q=0 | [A, D, K, BI] | |
| r=q1/5 | [A, D, K, BI] | 1BI->qA; |->K=BI; |=>D(r) |
| Formula | Scales | Algorithm |
|---|---|---|
| r=u+v | [C,D] | 1C->vD; uD=>C(x=u/v); y:=x+1; yC=>D(r) |
| r=u+v | [L] | [1L->[1D; |->uL; 1L->|; |->vL; [1L->[1D; |=>L(u+v) |
| r=u-v | [C,D] | 1C->vD; uD=>C(x=u/v); y:=x-1; yC=>D(r) |
| r=u2+v2 | [C,D,A,B] | 1C->vD; uD=>B(x); y:=x+1; yB=>A(r) |
| r=u2-v2 | [C,D,A,B] | 1C->vD; uD=>B(x); y:=x-1; yB=>A(r) |
| r=sqrt(u2+v2) | [C,D,A,B] | 1C->vD; uD=>B(x); y:=x+1; yB=>D(r) |
| r=sqrt(u2-v2) | [C,D,A,B] | 1C->vD; uD=>B(x); y:=x-1; yB=>D(r) |
| r=1/u+1/v r=u-1+v-1 |
[C,D,CI] | 1C->uD; |->vD; |=>CI(x=u/v); y:=1+x; |->yD; |=>C(r) |
| r=1/(1/u-1/v) r=(u-1-v-1)-1 |
[C,D,CI] | 1C->uD; |->vD; |=>CI(x=u/v); y:=x-1; |->yD; |=>CI(r) |