Calculate the reducible interest on a car loan.
Downloads availableB7: =B1-B2, C7: =G$1, D7: =B7*C7/100, E7: =B7+D7
F7: =B$3, G7: =E7-F7, B8: =G7

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)

Calculate simple interest.
=A2*B2*C2 (calculate simple interest)
=A2+D2 (amount)
where A2 is the Principal
B2 is the interest rate as a percentage
C2 is the time in years
