TI-83 Plus
Activities
543
To save keystrokes, you can recall the last expression you entered, and
then edit it for a new calculation.
4. Press
y
[
(above
Í
) to recall the
fraction conversion entry, and then press
y
[
again to recall the quadratic-formula
expression,
a
ac
b
b
2
4
2
−
+
−
5. Press
}
to move the cursor onto the
+
sign in
the formula. Press
¹
to edit the quadratic-
formula expression to become:
a
ac
b
b
2
4
2
−
−
−
6. Press
Í
to find the other solution for the
quadratic equation 3X
2
+ 5X + 2 = 0.
Summary of Contents for 83PL/CLM/1L1/V - 83 Plus Calc
Page 407: ...TI 83 Plus Inferential Statistics and Distributions 404 Input Calculated results Drawn results...
Page 412: ...TI 83 Plus Inferential Statistics and Distributions 409 Data Stats Input Calculated results...
Page 454: ...TI 83 Plus Applications 451 tvm_FV tvm_FV computes the future value tvm_FV PV PMT P Y C Y...