🔢 Sequences & Series Calculator

🎯 Master sequences: Calculate arithmetic, geometric, Fibonacci, and special sequences. Perfect for math students, teachers, and competitive exams.

📚 Quick Examples:

🔢 First Term (a₁)

📈 Common Difference (d)

#️⃣ Number of Terms (n)

📊 Output Type

📈 Show Visualization

Type: Arithmetic Terms: 10

Nth Term (aₙ)

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Series Sum (Sₙ)

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Growth Rate

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📋 Sequence Terms

Calculate to see sequence terms

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Math Tips

Arithmetic

aₙ = a₁ + (n-1)d, Sₙ = n/2[2a₁ + (n-1)d]

Geometric

aₙ = a₁·rⁿ⁻¹, Sₙ = a₁(1-rⁿ)/(1-r)

Fibonacci

Fₙ = Fₙ₋₁ + Fₙ₋₂, F₁ = 0, F₂ = 1

Applications

Finance, computer science, nature patterns