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66
Input initial estimated value
n.
b,
Input lower limit a and upper limit b.
a,b)
w
• In the function
f(x), only X can be used as a variable in expressions. Other vari-
ables (A through Z, r,
θ
) are treated as constants, and the value currently as-
signed to that variable is applied during the calculation.
• Input of the closing parenthesis, lower limit a and upper limit b can be omitted.
• Roots obtained using Solve may include errors.
• Since Solve uses Newton’s method, the following can sometimes occur.
—Certain initial estimated values can make it impossible to obtain roots. In this
case, try inputting another value that you assume to be near the root and per-
form the calculation again.
—The calculator may be unable to obtain a root, even though a root exists.
• Due to certain idiosyncrasies of Newton’s method, roots for the following types
of functions tend to be difficult to calculate.
—Periodic functions (i.e. sin
x = 0)
—Functions whose graph produce sharp slopes (i.e. e
x
= 0,
1
/x = 0)
—Discontinuous functions (i.e.
x = 0)
• Note that you cannot use a Solve, differential, quadratic differential, integration,
maximum/minimum value or Σ calculation expression inside of a Solve calcula-
tion term.
3 - 2 Solve Calculations
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