Summary Description. Assemble, install, or maintain solar photovoltaic (PV) systems on roofs or other structures in compliance with site assessment and schematics. May include measuring, cutting, assembling, and bolting structural framing and solar modules. May perform minor electrical work such as current checks.
IFERROR(value, value_if_error) The IFERROR function syntax has the following arguments: Value Required. The argument that is checked for an error. Value_if_error Required. The value to return if the formula evaluates to an error.
To enter a formula, execute the following steps. 1. Select a cell. 2. To let Excel know that you want to enter a formula, type an equal sign (=). 3. For example, type the formula A1+A2. Tip: instead of typing A1 and A2, simply select cell A1 and cell A2.4. Change the value of cell A1 to 3. Excel automatically recalculates the value of cell A3.o enter a formula, execute the following steps. 1. Select a cell. 2. To let Excel know that you want to enter a formula, type an equal sign (=). 3. For example, type the formula A1+A2. Tip: instead of typing A1 and A2, simply select cell A1 and cell A2.