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

Explanation

Calculators use the degree, minute, second key (° ' '') to display time in the proper format.

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