GPA from letter grades on a 4.0 scale.
GPA = 3.630 Credits: 10 A (4) × 3 B+ (3.3) × 4 A- (3.7) × 3
Yes.
No.
Solve V, I, R, P from any two values.
Current-limiting resistor and nearest E24.
Vin, R1, R2 → Vout; solve any missing value.
Value + prefix ↔ base SI (yotta…yocto).