Symbols and Codes, and don't forget the ending ; as shown

Symbol - Code
φ     - φ
Φ     - Φ

ψ     - ψ
Ψ     - Ψ

ρ     - ρ
Ρ     - Ρ

π      - π
Π      - Π

Γ   - Γ
γ   - γ

χ     - χ

κ   - κ

λ  - λ
Λ  - Λ

θ   - θ
Θ   - Θ

τ     - τ

Μ      - Μ
μ      - μ

Ω   - Ω
ω   - ω

∫     - ∫
∇   - ∇

α   - α
Α   - Α

β    - β
Β    - Β

δ   - δ
Δ   - Δ

ε - ε

υ - υ

ν      - ν
Ν      - Ν

σ   - σ
Σ   - Σ

ζ    - ζ
η     - η

∂    - ∂
≈   - ≈
≡   - ≡
±  - ±
√   - √