# Box 606733909

Container

## Contains 20 Results:

File

### 'Routines for calculating the Elementary Functions', n.d.

Manuscript and typescript of paper so titled.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.72

**Extents:**1 file

**Dates:**n.d.

File

### 'Elementary Functions', 1955

Bundles of related notes and calculations:
'Chebychev Polynomials'.
'F.P.C.1. Notes for Subroutines'.
Untitled (some pages dated 1955) and loose sheets.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.73

**Extents:**1 file

**Dates:**1955

File

### 'Elementary Functions', n.d.

Three bundles of notes and calculations, and loose sheets.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.74

**Extents:**1 file

**Dates:**n.d.

File

### 'Elementary Functions', n.d.

Three bundles of narrative, notes and calculations on 'Exponential Routines'.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.75

**Extents:**1 file

**Dates:**n.d.

File

### 'Elementary Functions', 1955-1957

Work on 'Wide-range logarithm' sub-routine for Pegasus, notes, calculations, printouts.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.76

**Extents:**1 file

**Dates:**1955-1957

File

### 'Elementary Functions', 1957

Correspondence and offprint on 'infinite series' and 'numbers with a negative base'.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.77

**Extents:**1 file

**Dates:**1957

File

### 'Elementary Functions', n.d.

'"Chebycheff" Fraction. Approximations'. Miscellaneous calculations.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.78

**Extents:**1 file

**Dates:**n.d.

File

### 'Miscellaneous Pegasus'., 1955

Three bundles of notes and calculations, some pages dated.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.79

**Extents:**1 file

**Dates:**1955

File

### 'F.P.C. M/D Layout', n.d.

Five bundles of notes and calculations.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.80

**Extents:**1 file

**Dates:**n.d.

File

### 'F.P.C.1 Loading and delays through units', Sep 1954

Miscellaneous notes and calculations. Typescript copy of 'loading rules'.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Ferranti Pegasus Computer, design and projects

**Shelfmark:**MS. Eng. misc. b. 263/C.81

**Extents:**1 file

**Dates:**Sep 1954

File

### Work on 'Flutter' in aircraft, 1956

This work, carried out in collaboration with R. Penrose, produced a program for testing on Pegasus, and led to further work by Strachey on matrices and collaborative work with J.G.F. Francis. Six-page manuscript and typescript, with manuscript corrections, of paper on 'Flutter'.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.82

**Extents:**1 file

**Dates:**1956

File

### Work on 'Flutter' in aircraft, n.d.

Calculations, routines and printouts.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.83

**Extents:**1 file

**Dates:**n.d.

File

### Work on 'Flutter' in aircraft, 1956-1957

'Some matrix problems arising from the consideration of flutter in aircraft'. Four-page manuscript and typed versions of paper dated 1 November 1956 with authorisation to publish, dated November 1957.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.84

**Extents:**1 file

**Dates:**1956-1957

File

### Work on 'Flutter' in aircraft, 1958

Five bundles of notes and calculations on flutter, almost all in Strachey's hand but some with additions by R. Penrose. Includes note on 'The information required from flutter calculations' (not in Strachey's hand) and a letter on eigenvalue from R. Penrose, March 1958.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.85

**Extents:**1 file

**Dates:**1958

File

### Work on 'Flutter' in aircraft, 1957-1958

Correspondence on 'Flutter'. Includes:
Letter to D.B. Gillies on Pegasus and on 'Flutter' (Strachey's carbon only), February 1957.
Correspondence with Armstrong Whitworth Aircraft Ltd. regarding visit by Strachey to demonstrate his 'Flutter' program on the Company's Pegasus machine, December 1957.
Correspondence with aircraft companies.
Miscellaneous…

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.86

**Extents:**1 file

**Dates:**1957-1958

File

### Work on matrices using Pegasus, 1957

'Hilbert Matrix': calculations, routines and printouts on Hilbert coefficients, eigenvalues and eigenvectors (printouts dated April-May 1957).

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.87

**Extents:**1 file

**Dates:**1957

File

### Work on Matrices using Pegasus, n.d.

'Hilbert Matrix Programme': routines and printouts on Hilbert coefficients, idempotents, eigenvalues and matrix inversion.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.88

**Extents:**1 file

**Dates:**n.d.

File

### Work on Matrices using Pegasus, 1957

'Bordered Inversion': calculations, routines and printouts on 'Bordered Hilbert test' and 'Bordered Inversion' (printouts dated October-November 1957); includes bundles of notes on 'Entry', 'Error Analysis' and a note headed 'A new method of inverting matrices'.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.89

**Extents:**1 file

**Dates:**1957

File

### Work on Matrices using Pegasus, December 1958

Loose pages of notes and a letter on matrices from J.H. Wilkinson

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.90

**Extents:**1 file

**Dates:**December 1958

File

### Work on Matrices using Pegasus, 1959

'Transformer Matrix Switching': 4-page manuscript and miscellaneous typescript pages of a paper dated 2 November 1959, with miscellaneous bundles, loose pages and photocopies of notes and calculations.

**Found in:**Working Papers, Notes, and Calculations / National Research Development Corporation / Manchester University Computing Mach… / Projects using Ferranti Pegasus Computer

**Shelfmark:**MS. Eng. misc. b. 263/C.91

**Extents:**1 file

**Dates:**1959