# List of Symbols Used in Maths

## Greek Alphabets

Lower Case Upper Case Name
$$\alpha$$ $$A$$ Alpha
$$\beta$$ $$B$$ Beta
$$\gamma$$ $$\Gamma$$ Gamma
$$\delta$$ $$\Delta$$ Delta
$$\eta$$ $$H$$ Eta
$$\theta$$ $$\Theta$$ Theta
$$\zeta$$ $$Z$$ Zeta
$$\iota$$ $$I$$ Iota
$$\mu$$ $$M$$ Mu
$$\nu$$ $$N$$ Nu
$$\omega$$ $$\Omega$$ Omega
$$\omicron$$ $$O$$ Omicron
$$\pi$$ $$\Pi$$ Pi
$$\phi$$ $$\Phi$$ Phi
$$\chi$$ $$X$$ Chi
$$\psi$$ $$Psi$$ Psi
$$\rho$$ $$P$$ Rho
$$\tau$$ $$T$$ Tau
$$\epsilon$$ $$E$$ Epsilon
$$\upsilon$$ $$Y$$ Upsilon
$$\lambda$$ $$\Lambda$$ Lambda
$$\kappa$$ $$K$$ Kappa
$$\sigma$$ $$\Sigma$$ Sigma

## Symbols used in Arithmetic

$$+$$ Addition $$8 + 4$$
$$-$$ Subtraction $$8 – 4$$
$$\div$$ Division $$8 \div 4$$
$$\times$$ Multiplication $$8 \times 4$$
$$\%$$ Percentage $$8 % 4$$
$$\gt$$ Greater than $$8 \gt 4$$
$$\lt$$ Less than $$4 \lt 8$$
$$\geq$$ Greater than equal to $$a \geq b$$
$$\leq$$ Less than equal to $$b \leq a$$
$$=$$ equal to $$6 = 6$$
$$\neq$$ does not equal to $$8 \neq 4$$
$$\approx$$ Approximately equal to $$8.786 \approx 8.79$$
$$\pm$$ Plus minus $$\pm 2$$
$$\equiv$$ Equivalent to $$a \equiv b$$

## Symbols used in Geometry

$$^o$$ Degree $$45^o$$
$$\angle$$ Angle $$\angle 45^o$$
$$\bot$$ Perpendicular $$AB \bot CD$$
$$||$$ Parallel $$AB || CD$$
$$\triangle$$ Triangle $$\triangle ABC$$
$$\sim$$ Similar to $$\triangle ABC \sim \triangle PQR$$
$$\cong$$ Congurent to $$\triangle ABC \cong \triangle PQR$$

## General Symbols used in Maths

$$\implies$$ Implies to $$\implies$$ $$2 + 3 = 5$$
$$\therefore$$ Therefore $$\therefore$$ $$a + b = c$$
$$\because$$ Because $$\because$$ $$a + b = c$$
$$\infty$$ Infinity $$a = \infty$$
$$\forall$$ For all $$\forall a$$
$$\exists$$ There exists $$\exists$$