Casio fx-270MS manuals
Computer Equipment > Calculator
When we buy new device such as Casio fx-270MS we often through away most of the documentation but the warranty.
Very often issues with Casio fx-270MS begin only after the warranty period ends and you may want to find how to repair it or just do some service work.
Even oftener it is hard to remember what does each function in Calculator Casio fx-270MS is responsible for and what options to choose for expected result.
Fortunately you can find all manuals for Calculator on our side using links below.
40 pages 341.64 Kb
3 Removing and Replacing the Calculator’s Cover4 Safety PrecautionsCaution Batteries Disposing of the Calculator 5 Handling Precautions7 ContentsRemoving and Replacing the Calculator’s Cover Safety Precautions Handling Precautions Two-lineDisplay Before getting started Basic Calculations Memory Calculations Scientific Function Calculations 8 Statistical CalculationsTechnical Information Power Supply Specifications 9 Two-lineDisplayBefore getting started 13 Basic Calculations18 Memory Calculations COMPkAnswer Memory kConsecutive Calculations kIndependent Memory kVariables 19 Scientific Function Calculations20 kTrigonometric/Inverse TrigonometricFunctions kHyperbolic/Inverse Hyperbolic 21 kCommon and Natural LogarithmsAntilogarithms kSquare Roots, Cube Roots, Roots Squares, Cubes, Reciprocals Factorials, Random Numbers, π, and Permutation/Combination 22 kAngle Unit Conversion4.25Av2(R) kCoordinate Conversion (Pol (x, y), Rec (r, θ )) kEngineering Notation Calculations 23 StatisticalCalculationsStandard DeviationΣx2 AU1 AU2 AU3 AX1 AX2 AX3 •Example: To calculate σn1, σn, o, n, Σx, and Σx2 for the following data : 55, 54, 51, 55, 53, 53, 54 In the SD Mode: AB1(Scl) =(Stat clear) 54 S51 S55 S 53 S S54 S52 S AX3 AX2 AX1 AU3 AU2 AU1 24 Data Input Precautions•SS inputs the same data twice You can also input multiple entries of the same data using A G While inputting data or after inputting data is complete, you can use the E-22 25 You can delete a data value displayed usingA U Ed i t OFF ESC Press 2to exit data input without registering the value you just input •To delete data you have just input, press AU Changing to another mode Changing the regression type (Lin, Log, Exp, Pwr, Inv, Quad) E-23 26 Regression CalculationsΣx2 Σy2 AUr1 AUr2 Σxy AUr3 xσn AXr1 yσn AXr2 AXr3 Regression coefficient A AXrr1 Regression coefficient B AXrr2 Regression calculation other than quadratic regression Correlation coefficient r AXrr3 AXrrr1 AXrrr2 Σx3 AUrr1 Σx2y AUrr2 Σx4 AUrr3 Regression coefficient C AXrrr3 27 uLinear Regression•The regression formula for linear regression is: y = A + Bx E-25 28 • Example: Atmospheric Pressure vs. Temperaturetermine the regression formula 1003 hPa 1005 hPa for the data nearby. Next, use 1010 hPa the regression formula to esti 1011 hPa mate atmospheric pressure at 1014 hPa –5C and temperature at cient of determination (r2) and sample covariance In the REG Mode: 1(Lin) 10 P1003 S n=1 15 P1005 S 20 P1010 S 25 P1011 S 30 P1014 S A Xr r 1 A Xr r ED 5 FA Xr r r 2 1000 A Xr r r A Xr r 3 K = EA Ur 3 AU3 - A X1 - A Xr 1 F EA U3 , 1 F E-26 29 uLogarithmic, Exponential, Power, and InverseRegression•The following shows the regression formulas for each type of regression Logarithmic Regression y A B In Exponential Regression y A eB·x (In y In A + Bx) Power Regression Inverse Regression y A B 1/x uQuadratic Regression•The regression formula for quadratic regression is: y = A + Bx + Cx2 r3(Quad) 29 P1.6 S50 P23.5 S 74 P 38.0 S103 P46.4 S 118 P48.0 S A Xr r 2 A Xr r 3 A Xr r r 3 A Xr r r 1 A Xr r r 2 E-27 30 Technical Information36 Power Supply39 Specifications
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