In article , Robin
writes
On 11/01/2019 11:37, Tim Streater wrote:
In article , NY
wrote:
Would you prefer to add up a column of prices in £p or in £sd, with
all the latter's carry-after-you-reach-12 and
carry-after-you-reach-20 complications.
Which, when they were in use, never gave anyone any trouble at all.


That is not my recollection. I recall all too clearly:

a. the time taken to calculate in LSD

b. the complexity of a mechanical calculator capable of dealing
with LSD direct

c. the complexity of using a decimal calculator to multiply LSD amounts

SO why isn't the clock metric? I still have my Casio calculator from the
70s which could work in hrs and mins.
--
bert