Texas Instruments TI-83 PLUS - Manual (Page 70)

TI-83 Plus Math, Angle, and Test Operations 67
MATH Operations
MATH Menu
To display the
MATH
menu, press  .
MATH NUM CPX PRB
1: 4Frac Displays the answer as a fraction.
2: 4Dec Displays the answer as a decimal.
3: 3
Calculates the cube.
4: 3 ‡( Calculates the cube root.
5:
x ‡ Calculates the x th root.
6: fMin( Finds the minimum of a function.
7: fMax( Finds the maximum of a function.
8: nDeriv( Computes the numerical derivative.
9: fnInt( Computes the function integral.
0: Solver ... Displays the equation solver.
4 Frac, 4 Dec
4 Frac (display as a fraction) displays an answer as its rational equivalent.
You can use 4 Frac with real or complex numbers, expressions, lists, and
matrices. If the answer cannot be simplified or the resulting denominator
is more than three digits, the decimal equivalent is returned. You can
only use
4 Frac following value .