Essential Calculator Settings

Question 1

How do you set the number of decimals to 4?

Answer 1

[SHIFT] [DISP] 4

Question 2

How to set period compounding to one per year

Answer 2

1 [SHIFT] [P/YR]

Question 3

How to change from BEGIN/END mode?

Answer 3

[SHIFT] [Beg/End]

Question 4

What types of problems use END mode?

Answer 4

• ordinary annuity
• when a payment is made at the end of the period
  
  • debt payments (mortgage, car loan)
  • savings contributions, IRA or 401k

Question 5

What types of problems use BEGIN mode?

Answer 5

• payment due at beginning of period
  
  • rent payments
  • tuition payments
  • retirement income

Question 6

How to clear the calculators memory?

Answer 6

[SHIFT] [C ALL]

Question 7

Calculate 7⁴

Answer 7

7 [SHIFT] [y^x]]

Answer: 2401

Question 8

Calculate the reciprocal of 4

Answer 8

4 [SHIFT] [1/x]

Answer: 0.25

Question 9

What are the keystrokes to solve the Nth root of a 343^1/3

Answer 9

• square root to the nth power
  
  • 343 [SHIFT] [y^x​]
  • 3 [SHIFT] [1/X]
  • =
  • ANSWER: 7

Question 10

What are the order of operations?

Answer 10

1. Parenthesis
2. Exponent
3. Multiply
4. Divide
5. Add
6. Subtract

Question 11

Solve: 0.15[(1.07)¹⁰-1]+5

Answer 11

1.07[SHIFT] [Y^X]: 1.07

10 [=]: 1.9672

[-] 1 [=]: .9672

[X] .15 [=]: .1451

[+] 5 [=]: 5.1451