(1.5×107) – [(2.5×106) × 3/100] =

1.5¹7-2.5¹6*3Ë100=

149250000.

3456/78 = 811/13

 

 

3Ë456Ë78

3Ö456×78.

 

 

=

8Ö11×13.

 

 

 

Press these keys to switch between proper and improper fractions.

 

 

 

 

 

811/13 = 115/13

 

 

 

8Ö11×13.

 

 

115×13.

 

 

 

 

 

 

8Ö11×13.

 

 

 

 

 

 

The answer to a calculation involving both fractions and decimals is displayed as a decimal.

 

 

 

 

41/52 × 78.9

 

 

41Ë52*78.9=

62.20961538

Percentage calculations

I%

Press to perform percentage calculations.

 

 

12% of 1500

1500*12I%=

180.

 

 

 

660 as a percentage of 880

660d880I%=

75.

 

 

 

2500 plus 15%

2500+15I%

375.

 

 

 

 

=

2875.

 

 

 

25% discount on 3500

3500-25I%

875.

 

 

 

 

=

2625.

26% of 2200; 26% of 3300; 26% of 3800;

 

 

 

 

 

2200**26I%=

572.

 

 

 

 

3300=

858.

 

 

 

 

3800=

988.

$80 last week; $100 this week: what % is the new value of the old value?

 

 

 

 

100d80I%=

125.

What % is 138gm to 150gm and 129gm to 150gm?

 

 

 

 

 

138dd150I%=

92.

 

 

 

 

129=

86.

 

 

 

12 Calculations