Numerical analysis studies methods for problems in analysis using functional analysis and approximation theory; numerical analysis includes the study of approximation and discretisation broadly with special concern for rounding errors.
Panitenan indik numerik malajahin metode anggen pikobet ring analisis ngawigunayang fungsional  miwah teori aproksimasi; analisa numerik sane madanging indik studi pendekatan miwah diskresisasi antuk panguratian khusus anggen kaiwangan pembulatan.