Standard form can be calculated on a scientific calculator with the ‘exponent’ button. The exponent button may be shown as EXP, EE or \(\times 10^x\).

A scientific calculator has two 'log' buttons on it. These are marked log and ln. The log key is used for calculations of the form \({\log _{10}}x\). For example, to work out that \(\log 10000 = 4 ...