Square roots:
√4 = 2
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s4=
√2 + 7 = 3
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s(2+7)=
√4 + 7 = 9
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s4+7=
√3 + 13 + √16 + 9 = 9
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s(3+13)+s(16+9)=
3√4 × (√2 − √3) = −6√3 + 6√2
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3s4O(s2-s3)=
Factorial:
3! = 6 Steps using calculator
3qu=
12!
10!
= 132
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12ua10qu=
Percentage:
70% of 120
Steps using calculator:
120O70q=
145% of 80
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80O145q=
What percent of 880 is 660?
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660P880q=
Increase 2500 by 15 %
Steps using calculator
25
Decrease 2500 by 15%
Steps using calculator
2500O15q=-
