Using A Calculator Efficiently

Interactive macro-enabled MS-Excel spreadsheet. Contents: Interpret a calculator display in the context of money or measures. Convert £, $ & € using a 7-segment display at a bureau de change. Find the cost of fuel using a 7-segment display at a petrol station. Find the total cost of fruit given its metric mass or imperial weight. Find the total cost of food bought in a café & change from a note. Find the total cost of multiple retail items & change from a note. Find the total food bill & each person’s share after adding a % tip. Find the amount saved if I bulk-press multiple CDs instead of batch. Find the total cost of a gas or water bill including a standing charge + VAT. Evaluate expressions exactly using all four operations & brackets. Evaluate & round expressions using fractions, powers & roots. Evaluate & round integers multiplied & divided by n where 0 < n < 1. Evaluate & round reciprocals of integers & decimals.