Directed Numbers & Operations

Interactive macro-enabled MS-Excel spreadsheet. Contents: Evaluate directed number calculations a ± b using № lines. Evaluate directed number calculations a × b using № lines. Evaluate directed number sums or differences using № lines. Evaluate directed number calculations a + b using symbols ⊕ & ⊝. Evaluate directed number calculations a − b using symbols ⊕ & ⊝. Evaluate the temperature of UK cities given T°C more than another. Evaluate the elevation of animals given elevation E above another. Evaluate the difference in temperature ΔT°C between two UK cities. Evaluate the difference in elevation ΔE between two animals. Evaluate the product of ±ve integers, fractions & decimals. Evaluate the quotient of ±ve integers, proportions, powers & roots. Evaluate the sum of ±ve proportions of numbers, powers & roots. Evaluate the total amount received when clubs sell or buy players.