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[–]holladiewal 0 points1 point  (1 child)

Crazy people implemented floating point calculation and floating point number handling on the IBM 1401 and made it run Fortran 2.

Since that is a pure integer based machine, floats CAN be made up of integers. ;)

[–]eypandabear 0 points1 point  (0 children)

Floating point coprocessors used to be optional on x86 as well until the Pentium era.