Mathematics for IGCSE & O level - Using A Calculator (Section 3 - No. 41)
When the calculator shows 2.5 what is the proper way to enter it?
2 hours 30 minutes
2.30
2:30
2 hours and 30 mins
Vysvetlenie
To enter 2.5 into the calculator, 2 hours and 30 minutes should be entered, with the key ( ° ' '' )