Matemática financeira
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EXERCÍCIOS (ARITMÉTICA COM A HP-12C)⎤ × 24 ⎤ − 1⎤ × 25% = 7,13
1. ⎡ ⎡ ⎡ 1 + 23
⎢
⎥
100 ⎦
⎦⎦
⎣⎣⎣
(
)
24
− 1⎤ × 40% = 1806, 69
2. ⎡ 1 + 42
⎢
⎥
100
⎣
⎦
1
⎡
⎤
40
− 1⎥ × 70% = 0, 0058
3. ⎢ 1 + 37
95
⎢
⎥
⎣
⎦
(
(
5. (
4.
30
12
)
1 + 92
74
1 + 215
)
7
360
= 1, 2075
)
5
90
= 1, 0022
⎛ 54
⎞
6. ⎜ 92 1 + 25 ⎟ × 40 = 67,30
70 ⎠
⎝
2
2
⎡⎛ 32
⎞ ⎛ 10 1 40 ⎞ ⎤
+
7. ⎢⎜ 27 17 × 4 − 1 ⎟ + ⎜ 12
⎥ ÷ 15 = 85, 77
2
7⎟ ⎥
⎠⎦
⎢⎝
⎠⎝
⎣
1
⎡ 84
7
⎛
⎞
8. ⎢⎜ 27 19 × 4 + 1 ⎟ +
2
⎢⎝
⎠
⎣
(
0,57
1
92
+4
4⎤
+ 1 ⎥ × 2 = 5, 48
74
⎥
⎦
)
(Ex.1) f REG
23 ENTER 100 ÷ 1 +
24 × 1 −
25 % ⇒ resp = 7,13
(Ex.2)
f REG
42 ENTER 100 ÷ 1 +
24 yx 1 −
40 % ⇒ resp = 1806, 69
(Ex.3)
f REG
37 ENTER 95 ÷ 1 +
40 1 x yx 1 −
70 % ⇒ resp = 0,0058
(Ex.4)
f REG
92 ENTER 74 ÷ 1 +
30 1 x y x 7 y x ⇒ resp = 1, 2075
(Ex.5)
f REG
215 ENTER 360 ÷ 1 +
12 1
x
yx
5 ENTER 90 ÷ y x ⇒ resp = 1, 0022
Ex. (6) f REG
25 ENTER 70 ÷
1+
92 ENTER 54 ÷ Y X
40 ×
← res p :67,30
Ex. (7) f REG
17 ENTER 4 × 1 −
27 ENTER 32 ÷ Y X 2 Y X
21
x
40 ENTER 7 +
12 ENTER 10 ÷ Y X 2 Y X
+
15 ÷
← resp :85, 77
Ex. (8) f REG
19 ENTER 2 ÷ 4 × 1 +
27 ENTER 84 ÷ Y X 7 1 x Y X
92 1 x 4 ENTER 74 ÷ + 1 +
0, 57 1
x
YX 4 YX
+
2×
← resp :5, 48