💻 Simple Interest Calculator

def si_calculator():
    print("💰 Simple Interest Calculator")
    print("Formula: SI = (P × R × T) / 100")
    print("-" * 38)

    try:
        P = float(input("मूलधन — Principal (₹): "))
        R = float(input("ब्याज दर — Rate (%): "))
        T = float(input("समय — Time (years): "))

        SI    = (P * R * T) / 100
        total = P + SI

        print(f"\n{'='*38}")
        print(f"  मूलधन (P):        ₹{P:>10,.2f}")
        print(f"  ब्याज दर (R):     {R:>10}%")
        print(f"  समय (T):          {T:>10} years")
        print(f"{'─'*38}")
        print(f"  साधारण ब्याज:    ₹{SI:>10,.2f}")
        print(f"  कुल राशि:        ₹{total:>10,.2f}")
        print(f"{'='*38}")
    except ValueError:
        print("❌ सही number डालें!")

si_calculator()