Using & Managing Data and Information

USING & MANAGING DATA
AND INFORMATION

TABLE OF CONTENTS
TABLE OF CONTENTS................................................................................................................2
TASK 1............................................................................................................................................1
TASK 2............................................................................................................................................2
TASK 3............................................................................................................................................2
TASK 4............................................................................................................................................3
TASK 5............................................................................................................................................4
TASK 6............................................................................................................................................4
TASK 7............................................................................................................................................5
TASK 8............................................................................................................................................5
TASK 9............................................................................................................................................6
TASK 10..........................................................................................................................................7
TASK 11..........................................................................................................................................7
TASK 12..........................................................................................................................................8

TASK 1
a) 2.9
 > First type 2.9
 > press multiply button 2 times
 > press equals sign for 5 times
 > answer 594.82
b) 5 √32 –
 > Type 32
 > press square root 5 times
 > answer 1.12.
c) 1/(1+0.02)^4 –
 > Press 1
 > press divide
 > type 1.02
 > press equal sign four times
 > it will give 0.9238 answer.
d) 500 * 5^-2 –
 >First type 5 > press multiply two time > press equal sign > it will give 25 > press
subtract sign > press multiply > type 500 > -12500 as answer.
e) 23.15+ √50 / (0.9875−3.25) –
 > Subtract denominator
 > Type 0.9875
 > press minus button
 > press equal it will give -2.2625
 > press memory (M+).
 > Type 50 and press square root button
 > gives 7.072 and
 > Press + and type 23.15
 > gives 30.22.
 >Press divide button while 30.22 is on screen and
 > press MRC button
1