# Excel Aides:-

Lower School (S1 to 3)

 Circle - area and circumference Interactive sheets to see the effect a change in radius has on the area and circumference of a circle. The last page tests your ability to calculate area and circumference. pie charts An interactive sheet to draw pie charts. fractions, decimals, piecharts Interactive link between fractions ,decimals, percentages and piecharts fractions, decimals and percentages Excel 1997-2003 file Interactive tests rounding to nearest ... Interactive tests rounding to decimal places Interactive tests

Upper School (S4 to 6)

 Graphs of functions Interactive sheet allowing you to see the Graphs of Functions y = f(x+a),y = -f(x),y = kf(x), y = f(x)+a, y = f(-x), y = f(kx) y = kf(x)+a, y = kf(x+a) Exponential / log functions - graphs Interactive sheet allowing you to see the Graphs of Functions y=ax , y=logax, y=loga(1/x) log y = b log x + log a and y = axb Indices A quick test of the 5 rules of indices. Finding roots of quadratics Interactive sheet which draws quadratics and calculates roots where they exist. Finding limits Interactive sheet Straight lines, gradients and the y-intercept Interactive pages to let you plot straight lines, play with gradients, see the effect of the gradient formula and use y=mx+c CAST Click to see which quadrant an angle lies in. See how trig graphs are affected by a change in amplitude or phase angle. y=ksinx,y=sin(x+b),y=k + sinx y=kcosx ,y=cos(x+b),y=k + cosx y=sinax,y=sin(x-b),y=ksin(ax±b) y=cosax,y=cos(x-b),y=kcos(ax±b) cumulative frequency (ogive) An interactive sheet to draw cumulative frequency diagrams. relative frequency An interactive sheet to draw relative frequency diagrams. line of best fit An interactive sheet to draw the line of best fit. scattergraphs An interactive sheet to draw scattergraphs. standard deviation and box plot An interactive sheet to calculate standard deviation draw box plots.(Excel 2003) (Excel Cloud) version Simultaneous equations An interactive sheet to simultaneously solve two sets of equations. Surface area of a cylinder An interactive sheet to work out the surface area of a cylinder with a given volume. Gaussian elimination An interactive sheet to simultaneously solve three sets of equations. (Excel 2003) (Excel Cloud) version

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