Evaluate
49\pi \approx 153.938040026
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\pi \times 49
Multiply 7 and 7 to get 49.
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
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Matrix
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Limits
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