На бейсике для AVR. Компилятор называется BASCOM AVR
Dim Cnt1 As Word
Dim W1 As Word , W2 As Word
Dim Freqency As Long , Long_tmp As Long
Dim D1 As Double
Dim Float1 As Single , Inductance As Single , Capacity As Single
Dim Strf As String * 8
Const Compare = 15625
Const Pi = 39.4384 : Const Ref_l = 0.00012 : Const Ref_c = 0.000000001
D1 = Freqency * Freqency
Capacity = Ref_l * Pi
D1 = Capacity * D1
D1 = 1 / D1
D1 = D1 - Ref_c
Locate 2 , 1 : Lcd D1