Convert Log to Exp
Convert Exp to Log
Addition
Subtraction
Multipulcation
100

log216=4

24=16

100

34=81

log381=4

100

100+600

700

100
20-5

15

100

1 times 5

5

200

log41/16=-2

4-2=1/16

200

361/2=6

log366=1/2

200

250+100

350

200

50-10

40

200

0 times 100

0

300

log39=2

32=9

300

84/3=16

log816=4/3

300

920+200

1020

300

700-20

680

300

6 times 7

42

400

log927=3/2

93/2=27

400

2-3=1/8

log21/8=-3

400

500+1000

1500

400

900-500

400

400

6 times 10

60

500

log6216=3

63=216

500

121=12

log1212=1

500

7000+800

7800

500

1000-500

500

500

12 times 5

60