Calculating - Speedy Ready Reckoner
Back
Next
Sections
Museum Hold Tight! Photos
Walking Weather
Acorn Commodore Sinclair PCN
Calculating
Calculating
Introduction
In The Hand
Addiator
Addmaster
Arithma
Decimeter
Exactus
Reckoner
Addipresto
Bri Cal
Brunsviga
Contex A
Contex B
Olivetti 15 £sd
Olivetti 20 £sd
Olivetti Decimal
Plus
Victor
 
For an explanation of £sd money
see the Money page
 
 
 
 
 
Of course you could use a Ready Reckoner like mine and look the answer up in the tables . . . .
 
The "SPEEDY" Ready Reckoner for Office & General Use - ¼d to 19/- and Percentage Tables - ¼ds to 1/- - ½ds to 2/- - 1ds to 5/- - 6ds to 12/6 - 1/-s to £1 - Gall and Inglis, 12 Newington Road, Edinburgh 9 and London.
 
 
 
 
 
 
 
 
 
 
 
 
 
Top of the Page