SCALB(3P) - phpMan

scalb (3)            - multiply floating-point number by integral power of ra...
scalbf (3)           - multiply floating-point number by integral power of ra...
scalbl (3)           - multiply floating-point number by integral power of ra...
scalbln (3)          - multiply floating-point number by integral power of radix
scalbln (3p)         - compute exponent using FLT_RADIX
scalblnf (3)         - multiply floating-point number by integral power of radix
scalblnl (3)         - multiply floating-point number by integral power of radix
scalbn (3)           - multiply floating-point number by integral power of radix
scalbnf (3)          - multiply floating-point number by integral power of radix
scalbnl (3)          - multiply floating-point number by integral power of radix