Liquidity ratios

$$\text{Current ratio} = \frac{\text{Current Assets}}{\text{Current Liabilities}}$$

$$\text{Quick (Acid Test) Ratio} = \frac{\text{Cash and Cash Equivalent} + \text{Marketable Securities} + \text{Accounts Receivable}}{\text{Current Liabilities}}$$

Cash ratio is the same as Quick without the accounts receivable

Solvency ratios

Long term debt to equity =  total debt / total equity

Debt to equity = total debt / total equity

Total debt ratio = total debt / total assets

Financial leverage ratio = total assets / total equity