Sharp EL-5230 Operation Manual page 6

Contents
Solver Function ...................................................................................... 52
Entering and solving an equation .................................................. 52
Changing the value of variables and editing an equation ............. 52
Solving an equation ....................................................................... 53
Important notes .............................................................................. 54
Simulation Calculation (ALGB) .............................................................. 55
Entering an expression for simulation calculation ......................... 55
Changing a value of variables and editing an expression ............. 55
Simulate an equation for different values ...................................... 56
Filing Equations ..................................................................................... 58
Saving an equation ........................................................................ 58
Loading and deleting an equation ................................................. 59
Chapter 4: Statistical Calculations ....................61
Single-variable statistical calculation ............................................. 62
Linear regression calculation ......................................................... 62
Exponential regression, logarithmic regression,
power regression, and inverse regression calculation .................. 62
Quadratic regression calculation ................................................... 63
Data Entry and Correction ..................................................................... 63
Data entry ....................................................................................... 63
Data correction ............................................................................... 63
Statistical Calculation Formulas ............................................................ 65
Normal Probability Calculations ............................................................ 66
Statistical Calculations Examples ......................................................... 67
Chapter 5: Equation Solvers ..............................69
Simultaneous Linear Equations ............................................................. 69
Quadratic and Cubic Equation Solvers ................................................. 71
Chapter 6: Complex Number Calculations .......73
Complex Number Entry ......................................................................... 73
Chapter 7: Programming ....................................75
PROG mode ........................................................................................... 75
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