Calculation

Excel formula

Overtime | # gomaths.net/4219    User submitted, thanks to

Calculate pay for normal hours, time-and-a-half and double-time.

Reducible Interest | # gomaths.net/4264    User submitted, thanks to

Calculate the reducible interest on a car loan.

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B7: =B1-B2, C7: =G$1, D7: =B7*C7/100, E7: =B7+D7

F7: =B$3, G7: =E7-F7, B8: =G7

Salary to pay | # gomaths.net/4218    User submitted, thanks to

Calculate weekly, fortnightly and monthly pay from a given salary.

=A1/52 (for weekly)
=A1/26 (for fortnightly)
=A1/12 (for monthly)

where A1 is the salary (per annum)