diff --git a/apps/code/catalog.pt.i18n b/apps/code/catalog.pt.i18n
index f9cce93fc..428ab928f 100644
--- a/apps/code/catalog.pt.i18n
+++ b/apps/code/catalog.pt.i18n
@@ -1,196 +1,196 @@
-PythonPound = "Comment"
-PythonPercent = "Modulo"
-Python1J = "Imaginary i"
-PythonLF = "Line feed"
-PythonTab = "Tabulation"
-PythonAmpersand = "Bitwise and"
-PythonSymbolExp = "Bitwise exclusive or"
-PythonVerticalBar = "Bitwise or"
-PythonSingleQuote = "Single quote"
-PythonImag = "Imaginary part of z"
-PythonReal = "Real part of z"
-PythonAbs = "Absolute value/Magnitude"
-PythonAcos = "Arc cosine"
-PythonAcosh = "Arc hyperbolic cosine"
-PythonAppend = "Add x to the end of the list"
+PythonPound = "Comentário"
+PythonPercent = "Módulo"
+Python1J = "i Complexo"
+PythonLF = "Nova linha"
+PythonTab = "Tabulação"
+PythonAmpersand = "Operador binário and"
+PythonSymbolExp = "Operador binário exclusivo or"
+PythonVerticalBar = "Operador binário or"
+PythonSingleQuote = "Apóstrofo"
+PythonImag = "Parte imaginária de z"
+PythonReal = "Parte real de z"
+PythonAbs = "Valor absoluto/módulo"
+PythonAcos = "Arco cosseno"
+PythonAcosh = "Arco cosseno hiperbólico"
+PythonAppend = "Adicionar x no fim da lista"
 PythonArrow = "Arrow from (x,y) to (x+dx,y+dy)"
-PythonAsin = "Arc sine"
-PythonAsinh = "Arc hyperbolic sine"
-PythonAtan = "Arc tangent"
-PythonAtan2 = "Return atan(y/x)"
-PythonAtanh = "Arc hyperbolic tangent"
+PythonAsin = "Arco seno"
+PythonAsinh = "Arco seno hiperbólico"
+PythonAtan = "Arco tangente"
+PythonAtan2 = "Cálculo de atan(y/x)"
+PythonAtanh = "Arco tangente hiperbólica"
 PythonAxis = "Set axes to (xmin,xmax,ymin,ymax)"
 PythonBar = "Draw a bar plot with x values"
-PythonBin = "Convert integer to binary"
-PythonCeil = "Ceiling"
-PythonChoice = "Random number in the list"
-PythonClear = "Empty the list"
-PythonCmathFunction = "cmath module function prefix"
-PythonColor = "Define a rgb color"
-PythonComplex = "Return a+ib"
-PythonCopySign = "Return x with the sign of y"
-PythonCos = "Cosine"
-PythonCosh = "Hyperbolic cosine"
-PythonCount = "Count the occurrences of x"
-PythonDegrees = "Convert x from radians to degrees"
-PythonDivMod = "Quotient and remainder"
-PythonDrawString = "Display a text from pixel (x,y)"
-PythonErf = "Error function"
-PythonErfc = "Complementary error function"
-PythonEval = "Return the evaluated expression"
-PythonExp = "Exponential function"
-PythonExpm1 = "Compute exp(x)-1"
-PythonFabs = "Absolute value"
-PythonFillRect = "Fill a rectangle at pixel (x,y)"
-PythonFloat = "Convert x to a float"
-PythonFloor = "Floor"
-PythonFmod = "a modulo b"
-PythonFrExp = "Mantissa and exponent of x"
-PythonGamma = "Gamma function"
-PythonGetPixel = "Return pixel (x,y) color"
-PythonGetrandbits = "Integer with k random bits"
+PythonBin = "Converter número inteiro em binário"
+PythonCeil = "Teto"
+PythonChoice = "Número aleatório na lista"
+PythonClear = "Esvaziar a lista"
+PythonCmathFunction = "Prefixo da função do módulo cmath"
+PythonColor = "Define uma cor rgb"
+PythonComplex = "Devolve a+ib"
+PythonCopySign = "Devolve x com o sinal de y"
+PythonCos = "Cosseno"
+PythonCosh = "Cosseno hiperbólico"
+PythonCount = "Contar as ocorrências de x"
+PythonDegrees = "Converter x de radianos para graus"
+PythonDivMod = "Quociente e resto"
+PythonDrawString = "Mostrar o texto do pixel (x,y)"
+PythonErf = "Função erro"
+PythonErfc = "Função erro complementar"
+PythonEval = "Devolve a expressão avaliada"
+PythonExp = "Função exponencial"
+PythonExpm1 = "Calcular exp(x)-1"
+PythonFabs = "Valor absoluto"
+PythonFillRect = "Preenche um retângulo no pixel (x,y)"
+PythonFloat = "Converter x num flutuante"
+PythonFloor = "Parte inteira"
+PythonFmod = "a módulo b"
+PythonFrExp = "Coeficiente e expoente de x"
+PythonGamma = "Função gama"
+PythonGetPixel = "Devolve a cor do pixel (x,y)"
+PythonGetrandbits = "Número inteiro aleatório com k bits"
 PythonGrid = "Toggle the visibility of the grid"
-PythonHex = "Convert integer to hexadecimal"
+PythonHex = "Converter inteiro em hexadecimal"
 PythonHist = "Draw the histogram of x"
-PythonImportCmath = "Import cmath module"
-PythonImportIon = "Import ion module"
-PythonImportKandinsky = "Import kandinsky module"
-PythonImportRandom = "Import random module"
-PythonImportMath = "Import math module"
+PythonImportCmath = "Importar módulo cmath"
+PythonImportIon = "Importar módulo ion"
+PythonImportKandinsky = "Importar módulo kandinsky"
+PythonImportRandom = "Importar módulo random"
+PythonImportMath = "Importar módulo math"
 PythonImportMatplotlibPyplot = "Import matplotlib.pyplot module"
-PythonImportTime = "Import time module"
-PythonImportTurtle = "Import turtle module"
-PythonIndex = "Index of the first x occurrence"
-PythonInput = "Prompt a value"
-PythonInsert = "Insert x at index i in the list"
-PythonInt = "Convert x to an integer"
-PythonIonFunction = "ion module function prefix"
-PythonIsFinite = "Check if x is finite"
-PythonIsInfinite = "Check if x is infinity"
-PythonIsKeyDown = "Return True if the k key is down"
-PythonIsNaN = "Check if x is a NaN"
-PythonKandinskyFunction = "kandinsky module function prefix"
-PythonKeyLeft = "LEFT ARROW key"
-PythonKeyUp = "UP ARROW key"
-PythonKeyDown = "DOWN ARROW key"
-PythonKeyRight = "RIGHT ARROW key"
-PythonKeyOk = "OK key"
-PythonKeyBack = "BACK key"
-PythonKeyHome = "HOME key"
-PythonKeyOnOff = "ON/OFF key"
-PythonKeyShift = "SHIFT key"
-PythonKeyAlpha = "ALPHA key"
-PythonKeyXnt = "X,N,T key"
-PythonKeyVar = "VAR key"
-PythonKeyToolbox = "TOOLBOX key"
-PythonKeyBackspace = "BACKSPACE key"
-PythonKeyExp = "EXPONENTIAL key"
-PythonKeyLn = "NATURAL LOGARITHM key"
-PythonKeyLog = "DECIMAL LOGARITHM key"
-PythonKeyImaginary = "IMAGINARY I key"
-PythonKeyComma = "COMMA key"
-PythonKeyPower = "POWER key"
-PythonKeySine = "SINE key"
-PythonKeyCosine = "COSINE key"
-PythonKeyTangent = "TANGENT key"
-PythonKeyPi = "PI key"
-PythonKeySqrt = "SQUARE ROOT key"
-PythonKeySquare = "SQUARE key"
-PythonKeySeven = "7 key"
-PythonKeyEight = "8 key"
-PythonKeyNine = "9 key"
-PythonKeyLeftParenthesis = "LEFT PARENTHESIS key"
-PythonKeyRightParenthesis = "RIGHT PARENTHESIS key"
-PythonKeyFour = "4 key"
-PythonKeyFive = "5 key"
-PythonKeySix = "6 key"
-PythonKeyMultiplication = "MULTIPLICATION key"
-PythonKeyDivision = "DIVISION key"
-PythonKeyOne = "1 key"
-PythonKeyTwo = "2 key"
-PythonKeyThree = "3 key"
-PythonKeyPlus = "PLUS key"
-PythonKeyMinus = "MINUS key"
-PythonKeyZero = "0 key"
-PythonKeyDot = "DOT key"
-PythonKeyEe = "10 POWER X key"
-PythonKeyAns = "ANS key"
-PythonKeyExe = "EXE key"
-PythonLdexp = "Return x*(2**i), inverse of frexp"
-PythonLength = "Length of an object"
-PythonLgamma = "Log-gamma function"
-PythonLog = "Logarithm to base a"
-PythonLog10 = "Logarithm to base 10"
-PythonLog2 = "Logarithm to base 2"
-PythonMathFunction = "math module function prefix"
+PythonImportTime = "Importar módulo time"
+PythonImportTurtle = "Importar módulo turtle"
+PythonIndex = "Índice da primeira ocorrência de x"
+PythonInput = "Adicionar um valor"
+PythonInsert = "Inserir x no índice i na lista"
+PythonInt = "Converter x num número inteiro"
+PythonIonFunction = "Prefixo da função módulo ion"
+PythonIsFinite = "Verificar se x é finito"
+PythonIsInfinite = "Verificar se x é infinito"
+PythonIsKeyDown = "Devolve True se a tecla k for pressionada"
+PythonIsNaN = "Verificar se x é um NaN"
+PythonKandinskyFunction = "Prefixo da função módulo kandinsky"
+PythonKeyLeft = "tecla SETA ESQUERDA"
+PythonKeyUp = "tecla SETA CIMA "
+PythonKeyDown = "tecla SETA BAIXO"
+PythonKeyRight = "tecla SETA DIREITA"
+PythonKeyOk = "tecla OK"
+PythonKeyBack = "tecla VOLTAR"
+PythonKeyHome = "tecla HOME"
+PythonKeyOnOff = "tecla ON/OFF"
+PythonKeyShift = "tecla SHIFT"
+PythonKeyAlpha = "tecla ALPHA"
+PythonKeyXnt = "tecla X,N,T"
+PythonKeyVar = "tecla VAR"
+PythonKeyToolbox = "tecla CAIXA DE FERRAMENTAS"
+PythonKeyBackspace = "tecla APAGAR"
+PythonKeyExp = "tecla EXPONENCIAL"
+PythonKeyLn = "tecla LOGARITMO NATURAL"
+PythonKeyLog = "tecla LOGARITMO DECIMAL"
+PythonKeyImaginary = "tecla I IMAGINÁRIO"
+PythonKeyComma = "tecla VÍRGULA"
+PythonKeyPower = "tecla EXPOENTE"
+PythonKeySine = "tecla SENO"
+PythonKeyCosine = "tecla COSSENO"
+PythonKeyTangent = "tecla TANGENTE"
+PythonKeyPi = "tecla PI"
+PythonKeySqrt = "tecla RAIZ QUADRADA"
+PythonKeySquare = "tecla AO QUADRADO"
+PythonKeySeven = "tecla 7"
+PythonKeyEight = "tecla 8"
+PythonKeyNine = "tecla 9"
+PythonKeyLeftParenthesis = "tecla PARÊNTESE ESQUERDO"
+PythonKeyRightParenthesis = "tecla PARÊNTESE DIREITO"
+PythonKeyFour = "tecla 4"
+PythonKeyFive = "tecla 5"
+PythonKeySix = "tecla 6"
+PythonKeyMultiplication = "tecla MULTIPLICAÇÃO"
+PythonKeyDivision = "tecla DIVISÃO"
+PythonKeyOne = "tecla 1"
+PythonKeyTwo = "tecla 2"
+PythonKeyThree = "tecla 3"
+PythonKeyPlus = "tecla MAIS"
+PythonKeyMinus = "tecla MENOS"
+PythonKeyZero = "tecla 0"
+PythonKeyDot = "tecla PONTO"
+PythonKeyEe = "tecla 10 expoente X"
+PythonKeyAns = "tecla ANS"
+PythonKeyExe = "tecla EXE"
+PythonLdexp = "Devolve x*(2**i), inverso de frexp"
+PythonLength = "Comprimento de um objeto"
+PythonLgamma = "Logaritmo da função gama"
+PythonLog = "Logaritmo de base a"
+PythonLog10 = "Logaritmo de base 10"
+PythonLog2 = "Logaritmo de base 2"
+PythonMathFunction = "Prefixo do módulo da função math"
 PythonMatplotlibPyplotFunction = "matplotlib.pyplot module prefix"
-PythonMax = "Maximum"
-PythonMin = "Minimum"
-PythonModf = "Fractional and integer parts of x"
-PythonMonotonic = "Value of a monotonic clock"
-PythonOct = "Convert integer to octal"
-PythonPhase = "Phase of z"
+PythonMax = "Máximo"
+PythonMin = "Mínimo"
+PythonModf = "Partes inteira e frácionária de x"
+PythonMonotonic = "Devolve o valor do relógio"
+PythonOct = "Converter número inteiro em octal"
+PythonPhase = "Argumento de z"
 PythonPlot = "Plot y versus x as lines"
-PythonPolar = "z in polar coordinates"
-PythonPop = "Remove and return the last item"
-PythonPower = "x raised to the power y"
-PythonPrint = "Print object"
-PythonRadians = "Convert x from degrees to radians"
-PythonRandint = "Random integer in [a,b]"
-PythonRandom = "Floating point number in [0,1["
-PythonRandomFunction = "random module function prefix"
-PythonRandrange = "Random number in range(start,stop)"
-PythonRangeStartStop = "List from start to stop-1"
-PythonRangeStop = "List from 0 to stop-1"
-PythonRect = "Convert to cartesian coordinates"
-PythonRemove = "Remove the first occurrence of x"
-PythonReverse = "Reverse the elements of the list"
-PythonRound = "Round to n digits"
+PythonPolar = "z em coordenadas polares"
+PythonPop = "Remover o último item"
+PythonPower = "x levantado a y"
+PythonPrint = "Mostrar o objeto"
+PythonRadians = "Converter x de graus para radianos"
+PythonRandint = "Número inteiro aleatório em [a,b]"
+PythonRandom = "Número decimal em [0,1["
+PythonRandomFunction = "Prefixo do módulo da função random"
+PythonRandrange = "Número aleatório no intervalo (start,stop)"
+PythonRangeStartStop = "Lista de start a stop-1"
+PythonRangeStop = "Lista de 0 a stop-1"
+PythonRect = "z em coordenadas cartesianas"
+PythonRemove = "Remover a primeira ocorrência de x"
+PythonReverse = "Inverter os elementos da lista"
+PythonRound = "Arredondar para n dígitos"
 PythonScatter = "Draw a scatter plot of y versus x"
-PythonSeed = "Initialize random number generator"
-PythonSetPixel = "Color pixel (x,y)"
+PythonSeed = "Iniciar gerador aleatório de números"
+PythonSetPixel = "Cor do pixel (x,y)"
 PythonShow = "Display the figure"
-PythonSin = "Sine"
-PythonSinh = "Hyperbolic sine"
-PythonSleep = "Suspend the execution for t seconds"
-PythonSort = "Sort the list"
-PythonSqrt = "Square root"
-PythonSum = "Sum the items of a list"
-PythonTan = "Tangent"
-PythonTanh = "Hyperbolic tangent"
+PythonSin = "Seno"
+PythonSinh = "Seno hiperbólico"
+PythonSleep = "Suspender a execução por t segundos"
+PythonSort = "Ordenar a lista"
+PythonSqrt = "Raiz quadrada"
+PythonSum = "Soma dos itens da lista"
+PythonTan = "Tangente"
+PythonTanh = "Tangente hiperbólica"
 PythonText = "Display a text at (x,y) coordinates"
-PythonTimeFunction = "time module function prefix"
-PythonTrunc = "x truncated to an integer"
-PythonTurtleBackward = "Move backward by x pixels"
-PythonTurtleBlack = "Black color"
-PythonTurtleBlue = "Blue color"
-PythonTurtleBrown = "Brown color"
-PythonTurtleCircle = "Circle of radius r pixels"
-PythonTurtleColor = "Set the pen color"
+PythonTimeFunction = "Prefixo da função módulo time"
+PythonTrunc = "x truncado a um número inteiro"
+PythonTurtleBackward = "Recuar x pixels"
+PythonTurtleBlack = "Cor preta"
+PythonTurtleBlue = "Cor azul"
+PythonTurtleBrown = "Cor castanha"
+PythonTurtleCircle = "Desenhar uma circunferência de raio r pixels"
+PythonTurtleColor = "Definir a cor da caneta"
 PythonTurtleColorMode = "Set the color mode to 1.0 or 255"
-PythonTurtleForward = "Move forward by x pixels"
-PythonTurtleFunction = "turtle module function prefix"
-PythonTurtleGoto = "Move to (x,y) coordinates"
-PythonTurtleGreen = "Green color"
-PythonTurtleGrey = "Grey color"
-PythonTurtleHeading = "Return the current heading"
-PythonTurtleHideturtle = "Hide the turtle"
-PythonTurtleIsdown = "Return True if the pen is down"
-PythonTurtleLeft = "Turn left by a degrees"
-PythonTurtleOrange = "Orange color"
-PythonTurtlePendown = "Pull the pen down"
-PythonTurtlePensize = "Set the line thickness to x pixels"
-PythonTurtlePenup = "Pull the pen up"
-PythonTurtlePink = "Pink color"
-PythonTurtlePosition = "Return the current (x,y) location"
-PythonTurtlePurple = "Purple color"
-PythonTurtleRed = "Red color"
-PythonTurtleReset = "Reset the drawing"
-PythonTurtleRight = "Turn right by a degrees"
-PythonTurtleSetheading = "Set the orientation to a degrees"
+PythonTurtleForward = "Avançar x pixels"
+PythonTurtleFunction = "Prefixo da função módulo turtle"
+PythonTurtleGoto = "Ir paras as coordenadas (x,y)"
+PythonTurtleGreen = "Cor verde"
+PythonTurtleGrey = "Cor cinzenta"
+PythonTurtleHeading = "Voltar para a orientação atual"
+PythonTurtleHideturtle = "Esconder o turtle"
+PythonTurtleIsdown = "Devolve True se a caneta está pressionada"
+PythonTurtleLeft = "Vira à esquerda por a graus"
+PythonTurtleOrange = "Cor laranja"
+PythonTurtlePendown = "Puxar a caneta para baixo"
+PythonTurtlePensize = "Definir a espessura para x pixels"
+PythonTurtlePenup = "Puxar a caneta para cima"
+PythonTurtlePink = "Cor rosa"
+PythonTurtlePosition = "Devolve a posição atual (x,y)"
+PythonTurtlePurple = "Cor roxa"
+PythonTurtleRed = "Cor vermelha"
+PythonTurtleReset = "Reiniciar o desenho"
+PythonTurtleRight = "Virar à esquerda por a graus"
+PythonTurtleSetheading = "Definir a orientação por a graus"
 PythonTurtleSetposition = "Positionne la tortue"
-PythonTurtleShowturtle = "Show the turtle"
-PythonTurtleSpeed = "Drawing speed between 0 and 10"
-PythonTurtleWhite = "White color"
-PythonTurtleYellow = "Yellow color"
-PythonUniform = "Floating point number in [a,b]"
+PythonTurtleShowturtle = "Mostrar o turtle"
+PythonTurtleSpeed = "Velocidade do desenho entre 0 e 10"
+PythonTurtleWhite = "Cor branca"
+PythonTurtleYellow = "Cor amarela"
+PythonUniform = "Número decimal em [a,b]"