Mathematics for IGCSE & O level - Using A Calculator (Section 3 - No. 10)
Which key is typically used to change a time display into hours, minutes, and seconds on a calculator?
The key with the symbol: ° ' ''
The square root key
The fraction key
The x^2 key
Forklaring
Calculators use the degree, minute, second key (° ' '') to display time in the proper format.