Using MAcalc Pro
Special keys
- Press and hold the Del
key for 1 second to "clear X"
- Press and hold the Rcl
key for 1 second to view all storage registers
- Press Fn to change the
function set
- To change mode press Mode
- Moving the iPhone/iPod to a horiozontal position with
the screen facing down erases all calculator registers.
- To switch from Interger to Floating point and
vice-versa, "swipe" the calculator display area or use
the Mode key.
- Tap the display area for clipboard copy.
- In RPN mode, double tap the display area to view
the stack registers.
Simple Arithmetic
To calculate 13 + 2 do:
To calculate 2 / ( 5 - 1 ) do:
Combination and Permutaion
Combination of 16 items in groups of 3: (result = 560)
Permutation of 16 items in groups of 3: (result =
3360)
Time Value of Money
You have payed-up $5,000 for an insurance policy that pays 5.35%
compounded annually. What is the future value in 14 years?
(result = $10,371.79)
| Cfin |
|
|
(clear financial registers) |
| 14 |
Sto |
n |
| 5.35 |
Sto |
i |
| 5000 |
+/- |
Sto |
PV |
| FV |
|
|
(compute future value) |
Instead of entering n, i and PV using calculator keys, their
values could have been entered using the Edit key.
You got a $35,000 loan at 10.5% interest. Paying $325 every
month, how many payments are required to pay off the loan?
(result = 328 payments)
| Cfin |
|
|
(clear financial registers) |
| 10.5 |
12÷ |
|
(divide by 12 and store in i register) |
| 35000 |
Sto |
PV |
| 325 |
+/- |
Sto |
PMT |
| n |
|
|
(compute number of payments) |
Cash Flow
You bought a house for $80,000, kept it for 5 years and sold
for $ 130,000. Assumming a return of 13% and the following
cash flow: -80000, -500, 4500, 5500, 4500, 130000, compute
NPV (result = 212.18)
| Cfin |
|
|
(clear financial registers) |
| 80000 |
+/- |
CFo |
| 500 |
+/- |
CFj |
| 4500 |
CFj |
| 5500 |
CFj |
| 4500 |
CFj |
| 130000 |
CFj |
| 13 |
i |
| NPV |
|
|
(compute NPV) |
Instead of entering i and CF values using calculator keys, thy
could have been entered using the
Edit key.
Percentage
The electricity bill fell from $58.50 to $53.25. What is the
percentage change? (result = -8.97)
A company posted sales of $2.36 million in Asia bringing the
worldwide total to $7.95 million. What percentage of the
total sales ocurred in Asia? (result = 29.69)
Statistics
Calculate mean hours and sales for the following table:
(result = 40.00 and 21,714.29)
Calculate standard deviation (result = 4,820.59 and
6.03)
| Person | Hours | Sales |
| 1 | 32 | $17000 |
| 2 | 40 | $25000 |
| 3 | 45 | $26000 |
| 4 | 40 | $20000 |
| 5 | 38 | $21000 |
| 6 | 50 | $28000 |
| 7 | 35 | $15000 |
-
RPN:
| C
Σ |
|
|
(clear statistics registers) |
| 32 |
Enter |
17000 |
Σ + |
|
40 |
Enter |
25000 |
Σ + |
|
45 |
Enter |
26000 |
Σ + |
|
40 |
Enter |
20000 |
Σ + |
|
38 |
Enter |
21000 |
Σ + |
|
50 |
Enter |
28000 |
Σ + |
|
35 |
Enter |
15000 |
Σ + |
| μ |
|
|
(compute mean) |
| σ |
|
|
(compute standard deviation) |
-
Algebraic:
Instead of "Enter"
Use "+"
Dates
Today:
Date + days:
Days between dates:
-
RPN:
|
20090115 |
Enter |
20090110 |
Δdys |
-
Algebraic:
Using storage registers
MAcalc Pro has 100 storage
registers (00 through 99).
Note: MAcalc Pro can be configured
to work with 10 storage registers. In that case registers will
be accessed with a single digit (0 through 9).
- Press and hold the Rcl
key for 1 second to view all storage registers
-
Storing number 25 in register 12:
-
Recalling register 12: