Practice · SHARP EL-W516T
All the YOUR TURN exercises of the SHARP EL-W516T. Type your answer and check it.
PART 1: Getting started
You eat 1/2 of a pizza.
A friend eats 1/3.
How much of the pizza is eaten?
Show the answer
5/6
On the calculator: 1 
2 
1 3 
With pen and paper: 1/2 + 1/3 → 3/6 + 2/6 → 5/6
PART 2: Arithmetic and functions
A phone costs 250.
It is 20% off.
What do you pay?
Show the answer
200
On the calculator: 250 
20 
With pen and paper: 250 − (250 × 20%) → 250 − 50 → 200
PART 3: Integrals, derivatives, sums and products
1 + 2 + 3 + … + 100 = ?
Add them all.
Show the answer
5050
On the calculator: 
1 100 
With pen and paper: 50 × (1 + 100) → 50 × 101 → 5050
PART 4: Memory and fractions
2 1/2 cups of flour
and 3/4 cup more.
How much flour?
Show the answer
3 1/4
On the calculator: 2 
1 
2 3 4
With pen and paper: 2 2/4 + 3/4 → 2 5/4 → 3 1/4
PART 5: Number bases, time, constants and more
17 sweets for 5 children.
How many each?
How many are left?
Show the answer
3 R 2
On the calculator: 17 
5
With pen and paper: 5 × 3 = 15, and 17 − 15 = 2 left
PART 6: Simulation, solver, tables, equations
2 coffees and 1 tea cost 8.
1 coffee and 2 teas cost 7.
What does each cost?
Show the answer
3 and 2
On the calculator: 
2 
1 8 1 2 7
With pen and paper: coffee = 3, tea = 2: 2 × 3 + 2 = 8, 3 + 2 × 2 = 7
PART 7: Statistics and distributions
You flip a coin 10 times.
How likely are
exactly 5 heads?
Show the answer
0.246
On the calculator: 
5 10 0.5
With pen and paper: 252 ÷ 1024 → 0.246
PART 8: Complex numbers, matrices, vectors
(3 + 2i) + (1 − 5i) = ?
Show the answer
4 − 3i
On the calculator: 
3 2 
1 5
With pen and paper: (3 + 1) + (2 − 5)i → 4 − 3i
PART 9: Drill, errors, battery
What does the calculator
say to 5 ÷ 0 ?
Show the answer
ERROR 02
On the calculator: 5 
0
With pen and paper: no number times 0 gives 5